Features: Made of 190T polyester taffeta with PU coating,durable and waterproof.  Provides good protection 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 or Army Green or Light Blue (optional)   Material: 190T polyester taffeta   S size: (1.5L)19.5x20cm or 7.7x7.9in   M size: (2.5L)22.5x29cm or 8.9x11.4in   L size: (3.0L)24x30cm or 9.4x11.8in   XL size: (3.5L)24x36cm or 9.4x14.2in   XXL size: (5.0L)25x37cm or 9.8x14.6in   XXXL size: (8.0L)30x38.5cm or 11.8x15.2in   Weight: Approx. 190g or 6.7oz    Package List: 1x Bag(S)   1x Bag(M)   1x Bag(L)   1x Bag(XL)   1x Bag(XXL)   1x Bag(XXXL) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.