Sealock (YiFuLong Outdoor Gear Co., Ltd.) manufactures custom cooler bags for promotional distributors, agencies and corporate gifting programmes — factory-direct, from 300 pieces, with branding applied at source.
Factory since 2003 · China and Vietnam · welded and sewn construction in-house · samples 7–15 days · production 30–45 days.
Send your artwork and event date: info@sealock.com.hk · +86-13632981825
Why Coolers Work as Promotional Product
A cooler bag survives the drawer test. It is used repeatedly, in public, in exactly the settings — tailgates, beaches, job sites, staff events — where a logo gets seen by people other than the recipient. That is a different value proposition from a pen, and it supports a higher price point per unit while still delivering cost per impression.
It also scales across the programme types distributors handle: trade show giveaways, client gifts, employee recognition, onboarding kits, dealer incentives, and summer campaigns. One product, several briefs.
The Sourcing Mistake That Costs Promotional Orders
Industry guidance names it precisely: one of the biggest sourcing mistakes is choosing the product first and asking about decoration second.
On cooler bags this is not a minor sequencing issue — it can invalidate the whole order. A sealed, welded cooler cannot be embroidered on its body. A needle punches hundreds of holes through the waterproof barrier, which is why a reputable welded-bag factory will decline the request. If your client has specified embroidery and you have already sold them a welded leakproof cooler, someone is about to have an uncomfortable conversation.
Decide the decoration method first, then choose the construction that supports it. We will tell you which combinations work before you quote your client, not after.
Decoration Methods on a Cooler Bag
| Method | Works on | Best for |
|---|---|---|
| Screen print | TPU, PVC and fabric shells | Bold single or multi-colour logos at volume; the promotional workhorse |
| Welded TPU or silicone patch | Welded bodies | A premium, three-dimensional look that does not pierce the shell |
| Deboss | TPU and coated shells | Subtle, durable branding for higher-end corporate gifts |
| UV / digital print | Smooth coated surfaces | Full-colour artwork, gradients, photographic elements |
| Woven label on a welded tab | Welded bodies | Brand-label aesthetic without stitching into the sealed chamber |
| Embroidery | Sewn panels and external components only — never the sealed body | Sewn cooler totes and bags where leakproofing is not the selling point |
| Custom hardware | Zipper pulls, webbing, buckles | Programmes where the branding should read as product design rather than imprint |
Beyond the logo itself, a promotional cooler can carry brand colour through the whole build — Pantone-matched shell, contrast zipper tape, branded webbing, custom pulls. For corporate gifting that difference between "a cooler with a logo on it" and "a cooler that looks like the brand made it" is usually what justifies the budget.
Quoting a programme? Send the artwork, the quantity and the in-hands date. We will confirm which decoration methods suit the build, what it costs, and whether the date is achievable — before you put a number in front of your client.
info@sealock.com.hk · +86-13632981825
The Timeline Conversation, Honestly
Promotional work lives and dies on in-hands dates, and overseas production has a real trade-off that the industry states openly. Catalogue stock decorated domestically typically runs 7–14 business days. Factory-direct overseas production does not: a major promotional supplier tells distributors to expect approximately 9 weeks for vessel shipments and 5–6 weeks for air shipments on overseas custom programmes.
The upside is equally real: direct sourcing from vetted factories cuts markups 40–45% against domestic catalogue supply, and it gives you a product your competitors cannot quote from the same catalogue page.
We will apply the same transparency one specialist distributor describes as its operating principle: we show you domestic versus overseas trade-offs, explain timeline versus cost decisions, and flag potential risks before they become problems. When a rush timeline eliminates overseas cost advantages, we'll tell you. If your event is six weeks out, a factory-direct welded cooler programme is not the right answer, and we would rather say so than take the order and miss the date.
Artwork and Approvals
Digital proof before production is standard practice in this industry, and we run it the same way. What we need to get a proof right first time:
- Vector artwork (AI, EPS or SVG), or high-resolution raster at actual print size.
- Pantone references taken from a physical swatch book, not from a screen. Colour on a TPU shell, a woven label, a printed patch and a moulded buckle reproduces differently, so we approve per component.
- Imprint size and placement, per location.
- Decoration method per location — a logo may be screen printed on the front and woven on a tab.
One caution for multi-location programmes: fine line work that reproduces beautifully in screen print may disappear in a deboss or a welded patch. Send us the artwork early and we will flag it at proof stage rather than at production.

Matching the Build to the Programme Budget
Promotional briefs span a wide price range, and the levers that move a cooler's cost are specific: insulation tier and wall thickness first, then closure type, then shell material, then panel count. A simple large bag can cost less to build than a small complex one.
| Programme type | Sensible build |
|---|---|
| Mass trade-show giveaway | Sewn cooler tote or value backpack, PVC or polyester shell, EPE foam, screen-printed logo |
| Dealer or channel incentive | Welded backpack, mid insulation tier, welded patch or deboss branding |
| Executive or client gift | Welded TPU build, airtight zipper or roll-top, Pantone-matched shell, custom pulls, retail-grade packaging |
| Staff / onboarding kit | Mid-tier backpack with harness comfort, woven label branding, boxed presentation |
| Outdoor or marine brand campaign | IPX-rated welded build, corrosion-resistant hardware, technical credibility the recipient will notice |
Note the last row. If your client is an outdoor, marine or beverage brand, a cooler with a real IPX rating and measured cold-hold is a far stronger gift than a generic one — because the recipient can tell the difference, and so can your client.
Packaging, Kitting and Fulfilment
Promotional programmes rarely end at the bag. What we can do at the factory:
- Branded packaging — polybag, printed box, hangtags, tissue, inserts.
- Individual bagging and labelling, including barcode formats if the goods route through a fulfilment centre.
- Bundling and kitting where the cooler ships with other items you supply.
- Carton planning — carton dimensions, units per carton and total CBM in the quotation, since coolers are bulky and ocean freight charges by volume.
- Multi-destination cartons where a programme splits across regional offices or event locations.
- Origin marking and market labelling applied to your specification.
Platforms to Quote From
| Image | Model | Programme fit | Link |
|---|---|---|---|
|
Insulated Cooler Backpack (SL-I075A) | Volume giveaway tier — 36-can, PVC tarpaulin, three stock colours, large flat print area | View |
|
Cooler Backpack, molded lid (SL-E050B) | Distinctive shape that photographs well in campaign imagery; two sizes from one design | View |
|
28L Airtight-Zipper Cooler Backpack (SL-I274) | Premium gift tier — 840D TPU, airtight welded zipper, up to 48 hr; four stock colours | View |
|
Roll-Top Leakproof Soft Cooler (SL-I288) | Design-led gift — roll-top silhouette, MOLLE webbing, built-in bottle opener; tan and grey | View |
|
22L IPX7 Cooler Backpack (SL-I280) | Technical campaign — IPX7 immersion-rated, 50 mm XPE, 48 hr+; a spec the recipient can verify | View |
Custom shapes, capacities and features are developed to brief. Soft bags need no injection tooling, so a bespoke promotional cooler is pattern engineering and sampling rather than a mould investment — which keeps genuine custom work viable at 300 pieces.
Our customers include international brands such as Stanley, YETI, Hydro Flask, Osprey, Musto and Simms. The same lines run a 300-piece promotional order.
Working Terms
| Company | YiFuLong Outdoor Gear Co., Ltd. — manufacturer since 2003, registry-verifiable |
|---|---|
| Factories | Dongguan, Guangdong, China + Ho Chi Minh City, Vietnam; three high-frequency welding factories and in-house sewing lines |
| MOQ | 300 pcs per design (per size and colourway); negotiable on custom programmes |
| Lead times | Samples 7–15 days; production 30–45 days; plus freight — bring us the in-hands date early |
| Branding | Screen print, welded TPU or silicone patch, deboss, UV print, woven label on welded tab, custom pulls and webbing, Pantone-matched shells |
| Packaging | Branded polybags and boxes, hangtags, kitting, barcode labelling, carton and CBM data with quotation |
| Testing | Water-immersion batch testing; cold-hold measured with a multi-channel thermocouple tester, so claims your client repeats are accurate |
| Certifications | ISO9001, BSCI, SMETA P4, GRS, HIGG, SCAN; food-grade liners across the range |
| Sustainability | GRS-certified recycled-content options for programmes with an environmental brief |
FAQ
Q: Can you embroider a logo on a cooler bag?
A: Not on the sealed body of a welded leakproof cooler — a needle punches hundreds of holes through the waterproof barrier, and any reputable welded-bag factory will decline it. Embroidery is fine on sewn panels and external components. For welded builds we recommend a welded TPU or silicone patch, screen print, deboss, UV print or a woven label on a welded tab. Decide decoration before you choose the construction.
Q: What is the minimum order for a promotional programme?
A: 300 pieces per design, per size and colourway, negotiable on custom programmes. That is low for factory-direct custom work, and because soft bags need no injection tooling, a genuinely bespoke cooler is viable at that quantity rather than requiring thousands.
Q: How far ahead do I need to order?
A: Plan on 7–15 days for samples plus approval rounds, 30–45 days production, then freight and clearance. Overseas custom promotional programmes commonly run around nine weeks by sea or five to six weeks by air once production is included. Bring us the in-hands date at quotation stage — if it cannot be met, we will say so rather than take the order.
Q: Can you do a rush order for an event?
A: Sometimes, via air freight and scheduling, but honestly: if your event is six weeks away, factory-direct overseas production is usually the wrong tool, because a rush timeline erodes the cost advantage that made overseas attractive. We will tell you when that is the case, and where a partial air shipment for the event with the balance by sea can work.
Q: Can you match my client's brand colour?
A: Yes — Pantone-matched shells, webbing, zipper tape and pulls. Specify from a physical swatch book rather than a screen, and expect to approve colour per component, since the same reference reproduces differently on a TPU shell, a woven label and a moulded buckle. Note a custom colour brings a dye lot with its own minimum and lead time; stock colourways avoid both.
Q: Can you handle packaging and kitting?
A: Yes — branded polybags and boxes, hangtags, individual labelling including barcode formats, bundling with items you supply, and carton planning split by destination. We provide carton dimensions, units per carton and total CBM with the quotation, which matters on a bulky product where ocean freight is charged by volume.
Sealock — YiFuLong Outdoor Gear Co., Ltd.
Custom promotional cooler bags, welded and sewn in China and Vietnam since 2003. Factory-direct, from 300 pieces.
Email: info@sealock.com.hk · Phone: +86-13632981825
Send artwork, quantity and your in-hands date — we will quote the build and confirm the timeline before you price it to your client.
Lead times, industry benchmarks and cost comparisons cited here reflect publicly available promotional-products industry sources as of mid-2026 and vary by product, decoration method, quantity and freight conditions. Our own terms are confirmed per enquiry.











