Products

China leakproof zipper cooler Manufacturer, Supplier, Factory

Getting buyer gratification is our company's purpose endlessly. We will make good attempts to produce new and top-quality products, meet up with your specific requirements and provide you with pre-sale, on-sale and after-sale expert services for leakproof zipper cooler, waterproof soft cooler, leakproof cooler bag, TPU soft cooler tote, insulated fishing cooler, We never stop improving our technique and high quality to maintain up with the enhancement trend of this industry and fulfill your pleasure effectively. For anyone who is fascinated within our solutions, you should get in touch with us freely.
leakproof zipper cooler, Our company has a skillful sales team, strong economic foundation, great technical force, advanced equipment, complete testing means, and excellent after-sales services. Our goods have beautiful appearance, fine workmanship and superior quality and win the unanimous approvals of the customers all over the world.

Related Products

Hot Products

  • Thick Thermal Fish Cooler

    Thick Thermal Fish Cooler

    For the past twenty years, SEALOCK COOLER has been dedicated to the research and manufacturing of high-quality Thick Thermal Fish Coolers. Our factories are located in Guangdong, China and Vietnam, we have accumulated rich experience in the field of refrigerated bags, creating cost-effective products highly favored by European and American markets. We sincerely invite you to establish long-term cooperation with us and become your most reliable partner in the Chinese market.
  • 21L Waterproof Soft Cooler Box with Shoulder Strap

    21L Waterproof Soft Cooler Box with Shoulder Strap

    We have been focusing on the research and production of Leakproof Lunch Box Cooler for many years, with factories in China and Vietnam, and have established a complete quality control system. We have passed international certifications such as SMETA, HIGG, SCAN, etc. We have always believed that good products are the beginning of cooperation, and honest management can go further. I hope to cooperate with you and become your most reliable supplier in the Chinese market.
  • Insulated Large Lunch Bag

    Insulated Large Lunch Bag

    For over 20 years, SEALOCK COOLER has been dedicated to developing and producing high-quality Insulated Large Lunch Bags. We maintain long-term partnerships with international brands such as Stanley, Osprey, Musto, Simms, and Hydro Flask, earning a strong reputation through solid craftsmanship and reliable quality.
    We have built three factories equipped with advanced high-frequency welding equipment. The sample development and main fabrics are completed domestically, and customers can freely choose factories in China or Vietnam for mass production. The factories in these two places are proficient in both full welding and sewing processes, and the quality is equally excellent. It is worth mentioning that choosing a Vietnamese factory can also help European and American customers save a lot of tariffs, making it more cost-effective.
  • Picnic Food Cooler Bag

    Picnic Food Cooler Bag

    For over two decades, SEALOCK COOLER has been crafting quality Picnic Food Cooler Bag that are trusted worldwide. From our manufacturing bases in Dongguan, China and Vietnam, we operate from 20,000+ square meters of modern factory space with a dedicated team of thousands skilled workers.We're proud to have delivered our products to customers in more than 80 countries, building strong relationships with over 3,000 clients through reliable distributor networks.
  • Large Insulated Fish Kill Bag

    Large Insulated Fish Kill Bag

    SEALOCK COOLER, a professional manufacturer of Large Insulated Fish Kill Bags for 21 years, offers mature and reliable products with excellent cost-effectiveness. Our factories are located in Guangdong, China and Vietnam. Our large insulated fish bags have earned a strong reputation in European and American markets. We look forward to establishing a long-term, stable cooperative relationship with you in China and becoming your trusted partner.
  • Insulated Backpack Cooler

    Insulated Backpack Cooler

    Having been deeply involved in the Insulated Backpack Cooler industry for over 20 years, SEALOCK COOLER, a professional supplier, has always been committed to providing durable and affordable products, fully validated by the market. Our products are popular in European and American markets and are highly trusted by both business and individual customers. We look forward to establishing a long-term, stable cooperative relationship with you in China and becoming your most trusted source for high-quality refrigeration products.
  • Related Blog
  • Reviews

  • ODM Soft Cooler Backpack Supplier: Design-Led, Ground-Up Development

    Not every brand that wants its own cooler backpack has a product-design team to draw one. That is the gap a design-led ODM supplier fills: instead of manufacturing to a finished tech pack the brand supplies, it takes a concept—a sketch, a market need, sometimes just a target and a mood board—and does the industrial design,

  • Large Cooler Tote Bag for Family Outings

    Sealock manufactures the large cooler tote bag for family outings that wholesale buyers source when one bag has to feed the whole group. A family day out is a different job from a quick grocery run: more mouths, more drinks, more hours in the sun, and a long carry from the car to the picnic table.

  • RF-Welded Cooler Backpack Manufacturer: Seamless Waterproof Construction

    Two factories can both say "RF welded" and ship products of completely different reliability. The process is not the guarantee — the process control is. A radio-frequency weld is set by a narrow window of power, pressure and time acting on a specific material, applied through tooling that wears, and it produces defects that are invisible once the bag is assembled and lined. That is what makes welding a capability rather than a purchase: the difference between a supplier that welds and a supplier that welds repeatably shows up months later, in the field, as a leak. Sealock (YiFuLong Outdoor Gear Co., Ltd.) welds insulated cooler bags on its own RF lines, and this guide covers how a seamless waterproof body is actually controlled, tested and verified.

  • Recycled RPET Cooler Bags: A GRS Sourcing Guide for Eco Brands 2026

    Sourcing RPET cooler bags? What GRS certification means, whether recycled fabric is durable enough, and how to verify a real supply chain before you order.

  • Best Insulated Cooler Backpack for Hiking

    A hiking cooler is a different animal from a tote: it has to ride on the back for miles, hold cold through a long day in the sun, and carry food, drinks and gear without wrecking a shoulder.

  • Private Label Cooler Backpacks: Launch Your Brand Without a Factory

    Owning a cooler backpack brand does not require owning a welding line. Private label is the route most outdoor and lifestyle brands actually take to market: a manufacturer that has already engineered, tested and certified a product builds it under your name, and you invest in brand, packaging and demand instead of tooling and R&D. It is faster and dramatically cheaper than developing from scratch — but it comes with a specific trade-off around exclusivity that catches new brands out, and a set of labelling obligations that are law rather than preference. This guide covers both, plus what a private label cooler backpack programme with Sealock (YiFuLong Outdoor Gear Co., Ltd.) actually involves.

Send Inquiry

X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies.Privacy Policy
RejectAccept