+86-769-82009361
info@sealock.com.hk
English English
Home > Insights

Insights
We are glad to share with you about the results of our work, company news, and give you timely developments and personnel appointment and removal conditions.

  • Sealock is a waterproof camping bag manufacturer and OEM supplier. The closure is the single most important decision in a camping bag project, because it is the weakest link in almost every "waterproof" bag — the fabric and seams can be perfect, but if water gets in at the opening, none of that matters. For an OEM programme the choice comes down to two proven systems: a roll-top or a waterproof zipper. This guide compares them on sealing, durability, cost, access, and cold-weather behaviour, so a brand can specify the right one for its use case rather than defaulting to whichever looks premium.

    2026-07-28

    Read More

  • Sealock is a custom waterproof camping bag manufacturer and OEM supplier. Most camping bag orders go wrong in the same two places: the capacity is specified from a catalogue number rather than from the gear that has to fit, and the closure is chosen without understanding what it costs in usable space and access. This guide walks a buyer through the decisions that actually determine whether a camping bag works — sizing, closure, material, carry, and verification — with the real numbers behind each.

    2026-07-27

    Read More

  • Sealock is a waterproof camping bag manufacturer and wholesale supplier. For a distributor or retail buyer, capacity isn't a technical question — it's an assortment question. Which litres you stock decides your sell-through, how much cash sits in slow-moving sizes, and whether a customer finds the bag they came for. Carry too narrow a range and you lose sales; carry every size and you tie up capital in the tail. This guide covers which capacities actually move, how to build the size mix, and the labelling and logistics details that catch wholesale buyers out.

    2026-07-27

    Read More

  • A batch of matte-grey welded waterproof gear bags has moved off the assembly line and into final inspection and packing at Sealock (Dongguan Yifulong Outdoor Products Co., Ltd.). Built to an overseas brand customer's specification, the order pairs a wide-mouth waterproof tote with a roll-top waterproof carrier, and is now being poly-bagged and crated for shipment. It is a routine but telling snapshot of what a dedicated waterproof-bag manufacturer looks like at full pace.

    2026-07-24

    Read More

  • Sealock is a waterproof waist pack manufacturer in China supplying OEM, ODM, and wholesale buyers worldwide. The waist pack looks like the simplest bag in a catalogue, and it is the one most often faked: the market is full of "waterproof" fanny packs whose seams are stitched and whose zippers are ordinary, which soak through in the first real downpour. Building one that genuinely keeps a phone and a passport dry — while staying comfortable on a running waist and small enough to disappear under a jacket — is a welding and pattern problem, and it's what separates a specialist factory from a general bag workshop.

    2026-07-24

    Read More

  • Sealock is a waterproof camping bag manufacturer in China supplying OEM, ODM, and wholesale buyers worldwide. "Camping bag" isn't one product — a campsite needs a dry sack for a sleeping bag, a duffel to haul the kit, a roll-top pack for the trail in, and a small dry bag for a phone and documents, and each has to keep water out through rain, river crossings, and a bag set down on wet ground. Building all of them on one welded platform, to a rating that survives real conditions rather than a marketing label, is what a specialist waterproof factory does. This overview sets out the range, the construction, and the sourcing terms.

    2026-07-24

    Read More
 ...7891011...69 
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
Reject Accept