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Roll-top, welded zipper and IPX8 airtight packs · OEM from 300 pcs

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Beg galas kalis air 20L / 28L Roll Atas dengan Poket Kalis Air Depan

Sealock membekalkan beg galas 20L / 28L Roll Top Kalis Air dengan Poket Kalis Air Depan, beg galas kering PVC 500D yang dikimpal bertaraf IPX7 dengan penutup roll-top, poket zip depan kalis air dan suspensi keselesaan penuh — tali ergonomik berlapik, tali dada boleh laras dan tali pinggang pinggang pada bahagian belakang berjaring yang boleh bernafas. Dua saiz. OEM/ODM dan borong dari MOQ 300, FOB Guangdong.

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Beg Kering Kalis Air Roll Top 30L untuk Perkhemahan, Kembara Berjalan Kaki dan Perjalanan

Sealock membekalkan Beg Kering Kalis Air Roll Top 30L untuk Perkhemahan, Kembara Berjalan Kaki dan Perjalanan, pek PVC 500D yang dikimpal bertaraf IPX6 dengan strap atas roll dan lepasan sisi. Petak utama 100% kalis airnya yang besar memastikan gear kering semasa hujan lebat, dengan poket percikan hadapan, tali empuk, pemegang atas dan mampatan sisi. TPU 420D/600D pilihan. OEM/ODM dan borong dari MOQ 300, FOB Guangdong.

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Beg Kering Atas Roll Kalis Air 25L dengan Injap Udara

Sealock membekalkan Beg Kering Atas Roll Kalis Air 25L dengan Injap Udara, pek tenggelam sepenuhnya IPX8 dalam nilon berlamina TPU 420D yang dikimpal dengan penutup atas roll, injap pelepas udara mampatan dan poket zip sisi kalis air dwi. Ia memastikan gear kering di atas air, mengemas kecil dan membawa pada abah-abah boleh laras yang memantulkan. OEM/ODM TPU pengeluar beg kering, MOQ 300, FOB Guangdong.

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22L Waterproof TPU Urban Backpack dengan Zip Kalis Air

Sealock membekalkan Beg Belakang Bandar TPU Kalis Air 22L dengan Zip Kalis Air, pek komuter 420D TPU yang dikimpal bertaraf IPX6 dengan zip utama kalis air di bawah kepak hujan pelindung, petak komputer riba 15.6", poket penyusun dalaman dan abah-abah ergonomik bernafas. Dibina untuk perjalanan ulang-alik, MODM/berbasikal kalis air. 300, FOB Guangdong.

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Beg galas kalis air 15L dengan Zip Kalis Air untuk Hiking dan Berbasikal

Sealock membekalkan 20L Roll Top Waterproof Backpack dengan Laptop Sleeve for Commuting and Travel, pek PVC 500D yang dikimpal bertaraf IPX6 dengan roll-top dan buckle mampatan sisi. Ia memastikan gear kering semasa hujan lebat, menambah lengan komputer riba, poket percikan hadapan, penyusun dalaman dan poket botol sisi, serta membawa pada tali jaring yang boleh bernafas. OEM/ODM dan borong dari MOQ 300, FOB Guangdong.

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Beg galas kalis air 20L Roll Top dengan Lengan Komputer Riba untuk Ulang-alik dan Perjalanan

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Beg Kembara Kembara Kalis Air Ringan 40L

Lawan unsur-unsur dengan hibrid muktamadbeg galas mendaki kalis air ringan 40L. Direkayasa khusus untuk menuntut laluan trek tunggal dan persekitaran hutan belantara yang tidak dapat diramalkan, kapasiti tinggi inibeg galas mendakimerapatkan jurang antara alpine tinggi dengan lancarbeg galas trekkingdan pek kering gred marin tanpa kompromi. Dengan menggabungkan casis nilon grid ripstop 210D yang sangat ringan dan sangat fleksibel dengan zip tekanan kedap udara mekanikal, kami telah membina premiumpek backpackingyang menjamin 100% penyimpanan peralatan kering tanpa mengorbankan ketangkasan yang diperlukan untuk pendakian gunung yang pantas. Ia berdiri sebagai penanda arasbeg galas trekking kalis airuntuk pengedar peralatan luar antarabangsa dan pengembara profesional.

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Beg Belakang Kalis Air Kedap Udara Ringan · 15L

Sealock 15L Airtight Waterproof Backpack ialah pek kering teknikal generasi seterusnya yang direka bentuk untuk persekitaran air yang melampau. Dibina dengan sistem zip kedap udara proprietari dan ruang dalam TPU yang dikimpal RF, ia memberikan perlindungan tahap IPX6 terhadap hujan lebat, ombak dan pendedahan air bertekanan tinggi. Dengan berat hanya 400g, beg galas ultra-ringan ini menggabungkan ketahanan dan mobiliti dengan cangkang luar ripstop 420D dan panel belakang aliran udara sarang lebah 3D yang ergonomik. Di dalam, petak komputer riba 15-inci berbaris bulu khusus memastikan keselamatan elektronik walaupun dalam keadaan marin. Direka bentuk untuk berkayak, meluncur, berakit, trekking monsun dan perjalanan luar pesisir, pek ini juga dioptimumkan untuk penyesuaian OEM/ODM, menjadikannya produk B2B yang kukuh untuk jenama peralatan luaran, menyelam dan taktikal.

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What Is a Waterproof Backpack?

A waterproof backpack keeps its contents dry in heavy rain, spray and, depending on its construction, short or long immersion. Unlike a standard backpack with a rain cover, a waterproof backpack is protected by its own shell: coated PVC or TPU fabric, seams fused by high-frequency welding instead of stitching, and a sealed closure. The most common closure is the roll-top, which turns the backpack into a dry bag backpack. Welded zippers and airtight zippers offer faster access for commuting and travel.

How Do You Choose Between Roll-Top and Zipper Backpacks?

Roll-top backpacks seal reliably and are simple to repair, which makes them the standard for kayaking, rafting, boating and wet hiking. Our 38L roll-top backpack with window adds a purge valve so it can be packed tight and still float, and our 35L roll-top backpack uses 420D TPU with an integrated air-release valve. Zipper designs open faster. Our 30L welded clamshell backpack opens flat to 180 degrees, and our IPX8 airtight-zipper backpack is tested for submersion.

Which Waterproof Rating Do You Need?

IPX6 means protection against heavy rain and powerful water jets, which suits cycling, commuting and hiking. IPX7 covers short immersion and suits most paddle sports. IPX8 covers continuous immersion and suits boat crews, kayak commuters and anyone who cannot risk water at all. We test every batch to its rating, with a full water-immersion test of two hours or more for IPX7 and IPX8 models and heavy rain and water-jet testing for IPX6 models.

Which Waterproof Backpacks Suit Commuting and Travel?

For daily commuting, our 22L welded laptop backpack fits laptops up to 16 inches and carries a pressure-relief valve for flights. Sewn water-resistant packs such as our 16L slim laptop backpack suit lighter urban use. For cyclists, see our Waterproof Bicycle Backpack range, and for trail use, our Waterproof Hiking Backpack range.

Can Waterproof Backpacks Be Customised?

Yes. We produce waterproof backpacks with your logo, Pantone colours, laptop sleeve size, pocket layout, back system and packaging, or develop a new design from your sketch or sample. Logos can be screen printed, welded as a TPU patch or embossed without adding needle holes to the shell. The standard MOQ is 300 pieces per design. For dry bags with your logo, see Custom Dry Bags.

Waterproof Backpack FAQ

Is a roll top backpack really waterproof?

A welded roll-top backpack folded at least three times keeps water out in heavy rain and spray, and many are rated IPX7 for short immersion. For long submersion, choose a pack with an airtight zipper rated IPX8.

What is the difference between a dry bag backpack and a waterproof backpack?

A dry bag backpack is a waterproof backpack built like a dry bag, usually with a roll-top closure and welded seams. Waterproof backpack is the wider term and also includes welded zipper and airtight-zipper designs.

Will a waterproof backpack float?

A sealed roll-top backpack with air trapped inside usually floats, and purge valves help control the air. A backpack is never a flotation device.

Can I get a waterproof backpack with a laptop compartment?

Yes. Our range includes welded and sewn backpacks with padded sleeves for laptops up to 15.6 or 16 inches, many suspended off the base to keep the laptop away from pooled water.

What is the MOQ for custom waterproof backpacks?

The standard MOQ is 300 pieces per design, including your logo. Airtight-zipper IPX8 models start at 500 pieces.

For a quote, send your reference model, quantity, colours and logo through our inquiry form or email info@sealock.com.hk.