Easton Durable Stuff Sack 210D nylon PU coated Double-stitched seams, and reinforced rim for longer wear Clip loop and bottom grab handle Water resistant Weight: 2.5L: 0.8oz; 4L: 1oz; 6.5L: 1.2oz; 9L: 1.6oz; 15L: 2oz; 20L: 2.4oz; 30L: 3.2 oz