1Made of 190T polyester taffeta with PU coating,durable and waterproof. 2Provides good conservation from water, sand, dirt, dust, mud and snow. 3Roll the top down 3-5 times and then close the buckle. 4It can be rolled or folded to save space when not in use. 5Different sizes for your different use. 6Come with a storage bag for easy storage and carry. 7Perfect for diving,skating,kayaking,boating,sailing,surfing,fishing,rafting,hiking,swimming and camping etc. Features: Made of 190T polyester taffeta with PU coating,durable and waterproof. Provides good conservation from water, sand, dirt, dust, mud and snow. Roll the top down 3-5 times and then close the buckle. It can be rolled or folded to save space when not in use. Different sizes for your different use. Come with a storage bag for easy storage and carry. Perfect for diving,skating,kayaking,boating,sailing,surfing,fishing,rafting,hiking,swimming and camping etc. Specifications: Color: Black/Army Green/Light Blue (optional) Material: 190T polyester taffeta S size: (1.5L)19.5*20cm/7.7*7.9in M size: (2.5L)22.5*29cm/8.9*11.4in L size: (3.0L)24*30cm/9.4*11.8in XL size: (3.5L)24*36cm/9.4*14.2in XXL size: (5.0L)25*37cm/9.8*14.6in XXXL size: (8.0L)30*38.5cm/11.8*15.2in Weight: Approx. 190g/6.7oz Package List: 1* Bag(S) 1* Bag(M) 1* Bag(L) 1* Bag(XL) 1* Bag(XXL) 1* Bag(XXXL) 1* Bag(S) 1* Bag(M) 1* Bag(L) 1* Bag(XL) 1* Bag(XXL) 1* Bag(XXXL)