Easton Ultralight Stuff Sack 30D nylon SiPU coated Double-stitched seams, and reinforced rim for longer wear Clip loop and bottom grab handle Water resistant Weight: 2.5L: 0.4oz; 4L: 0.5oz; 6.5L: 0.6oz; 9L: 0.7oz; 15L: 1oz; 20L: 1.2oz; 30L: 1.4 oz