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China Waterproof Bike Seat Bag Manufacturers, Suppliers, Factory

We are ready to share our knowledge of marketing worldwide and recommend you suitable products at most aggressive costs. So Profi Tools offer you finest benefit of money and we are ready to produce alongside one another with Waterproof Bike Seat Bag,Waterproof Bicycle Triangle Bag,Waterproof Bike Bag,Waterproof Bike Rear Bag,Ortlieb Trunk Bag, We sincerely stay up for hearing from you. Give us a chance to show you our professionalism and passion. We've been sincerely welcome superior mates from numerous circles at dwelling and overseas come to cooperate!
Waterproof Bike Seat Bag, We have customers from more than 20 countries and our reputation has been recognized by our esteemed customers. Never-ending improvement and striving for 0% deficiency are our two main quality policies. Should you need anything, don't hesitate to contact us.

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  • 20L Waterproof Cycling Backpack with Front Waterproof Pocket

    20L Waterproof Cycling Backpack with Front Waterproof Pocket

    Sealock supplies the 20L Waterproof Cycling Backpack with Front Waterproof Pocket, a welded 420D TPU commuter pack rated IPX6 with a waterproof main zipper, a front quick-access waterproof pocket, side bottle pockets and reflective safety detailing. It carries on a breathable padded harness with an adjustable sternum strap. Unisex, four colours. OEM/ODM from MOQ 300, FOB Guangdong.
  • 35L Roll Top Waterproof Backpack for Hiking and Kayaking

    35L Roll Top Waterproof Backpack for Hiking and Kayaking

    The 35L Roll Top Waterproof Backpack for Hiking and Kayaking is built by Sealock, a waterproof dry bag factory and OEM supplier, from 420D TPU with RF-welded seams, an IPX7 roll-top seal and an integrated air-release valve. It packs down through the air valve for kayaking and rafting, and carries on a padded ergonomic harness with a load-bearing waist belt — ready for custom and bulk orders.
  • 15L TPU Waterproof Cycling Backpack with Floating Ventilated Back System

    15L TPU Waterproof Cycling Backpack with Floating Ventilated Back System

    Sealock supplies the 15L TPU Waterproof Cycling Backpack with Floating Ventilated Back System, a welded TPU pack rated IPX6 with a waterproof dual zipper, a suspended ventilated back panel, a slim cycling fit and a full harness — padded straps, a sliding sternum strap and a waist belt. It adds a gear-attachment system and an internal pocket. OEM/ODM from MOQ 300, FOB Guangdong.
  • Outdoor Waterproof Bike Frame Bag

    Outdoor Waterproof Bike Frame Bag

    Introducing our versatile outdoor waterproof bike frame bag, specifically designed for outdoor cycling enthusiasts. This compact yet spacious triangle frame bag securely attaches to your bicycle, providing a weather-resistant storage solution for all your essential gear. Whether you're tackling rugged trails or cruising through city streets, our bag keeps your valuables safe and dry.
  • 10L/20L Waterproof Dry Bag with Dry-Wet Separation Pouch

    10L/20L Waterproof Dry Bag with Dry-Wet Separation Pouch

    Sealock supplies the 10L/20L Waterproof Dry Bag with Dry-Wet Separation Pouch, an IPX7 roll-top dry bag in eco-friendly PVC with a double waterproof closure and a removable inner pouch that keeps wet kit away from dry. It carries three ways — shoulder, backpack or hand — in pink or blue camouflage, with OEM/ODM and customized logo available from an MOQ of 300 pcs.
  • 15L / 20L Roll-Top Waterproof Dry Bag with Backpack Straps (IPX7)

    15L / 20L Roll-Top Waterproof Dry Bag with Backpack Straps (IPX7)

    Sealock supplies the 15L / 20L Roll-Top Waterproof Dry Bag with Backpack Straps, a welded 0.5 mm 500D PVC dry sack rated IPX7 with a patented dual seal — a fold-over roll-top plus an inner transparent PVC waterproof membrane for extra airtightness. It carries as a backpack with side compression, floats when sealed, and comes in two sizes. OEM/ODM from MOQ 300,* FOB Guangdong.
  • Related Blog
  • Reviews

  • 5L vs 10L vs 20L Waterproof Dry Bags: Which Capacity Fits Your Activity?

    Sealock manufactures 5L, 10L, and 20L waterproof dry bags for wholesale and OEM buyers worldwide. Choosing the wrong capacity is the most common waste in sourcing: too small won't fit, too large wastes space and is harder to roll down tightly. The three tiers below are set out so each can be matched to an activity.

  • Waterproof Bicycle Tail Bag: A New Focus in the Outdoor Cycling Gear Market

    Amid the continued rise in popularity of outdoor cycling, the waterproof bicycle tail bag has become a core growth driver in the cycling gear sector due to its functionality and practicality. According to the latest "2025-2030 Cycling Gear Industry Trends Report" released by a global outdoor products market research institution, the waterproof tail bag market is projected to expand at an average annual growth rate of 12.7% over the next five years, with the Asia-Pacific region becoming the largest growth market globally due to the popularization of cycling culture and surging demand for urban commuting.

  • MOQ for Waterproof Dry Bag Wholesale Orders

    When sourcing waterproof dry bags from a manufacturer, MOQ (Minimum Order Quantity) is often one of the first questions buyers ask.We understand that different buyers have different needs. Some are testing new products, while others are scaling existing brands. That’s why our MOQ structure is flexible and based on product type, customization level, and order complexity.

  • Sealock Waterproof Motorcycle Bag for your jorney

    Sealock waterproof motorcycle bag is on the market. This is a waterproof saddle bag,and main material is use the 500D PVC tarpaulin,the tarpaulin is thickness,durable and high quality.The waterproof motorcycle bag is use the high frequency machine to weld,which keep the gear inside clear and dry.

  • Dry Bag Manufacturer: OEM & Custom Waterproof Bag Production Guide

    Sealock is a dry bag manufacturer supplying wholesale, OEM, and ODM waterproof bags to brands and distributors worldwide, with welding, tooling, testing, and quality control kept in-house across two factories. This guide is written for buyers evaluating a waterproof bag supplier: what separates a real manufacturer from a trading company, which specifications to confirm before an order, the applications the range is engineered for, and the production and customization capability that sits behind it.

  • ​Is a dry bag the same as a waterproof bag?

    While "dry bag" and "waterproof bag" are often used interchangeably in casual conversation, they can refer to slightly different products or serve different purposes depending on context.

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