【Waterproof】The dry bag are mad of polyester and PU coating, which is waterproof and tear-resistant, and has a smooth surface to prevent water from seeping through the seams , 【Various Size】1.5L+2.5L+3.5L+4.5L+ 6L,different sizes waterproof bag can meet your different needs. , 【Lightweight & Portable】The waterproof bag is lightweight and can be folded into a small size for easy carrying. , 【Unique Design】Full line glue pressing process and professional waterproof roll design and buckled opening, you only need to buckle it lightly to complete the seal. , 【Wide Applications】Suitable for storaging clothing, book and money. Perfect for travelling, backpacking, kayaking, swimming, fishing, camping, canoes, sailing, boating, rafting, hiking, snowboarding, etc.