Product Material: Dry bag is made of polyester and PU coating. The waterproof bag can effectively block moisture in light rain or humid environments to ensure that the items remain dry, but it is not recommended to soak in water for a long time Different Sizes: Waterproof bag has 6 different capacities: 1.5L+2.5L++3L+3.5L+5L+8L. Waterproof bags of different sizes can meet your different storage needs and are very suitable for outdoor travel, please refer to the size pictures for details Roll-up Design: Outdoor waterproof bag is sealed with glue at the seams and equipped with a snap opening. The roll-up design can be closed tightly to prevent water from entering due to improper operation Easy to Carry: Dry bags can be easily rolled up or folded into a small volume, easy to fold and store, and conveniently stuffed into a suitcase. You can bring some extra for travel. It is lighter than an ordinary backpack, reducing the sense of weight and greatly improving the carrying comfort Wide Application: Dry sacks are very suitable for use in some outdoor sports such as diving, rafting, boating, camping, mountaineering, etc. They can adapt to extreme environments and are practical equipment for outdoor enthusiasts Specification:Material: Polyester, PU coatingSize: 1.5L, 2.5L, 3L,3.5L, 5L, 8LColor:MulticolorFeatures:1. Dry bags can protect your personal belongings from dust, ice and rain. 2. Roll up the opening of the waterproof bag several times to effectively prevent water from entering.3. Waterproof dry bag has 6 different capacities and can store clothes, shoes, accessories and other items for easy storage.Package includes:6 x Waterproof Dry Bag