Did you know that an elephant's bladder can hold 160 litres of urine? Interesting statistic but not really all that relevant to this product...
Soft and flexible rip-stop fabric with watertight roll-top closure for maximum compression
Polyurethane coated with watertight, double-stitched, tape-sealed seams for professional waterproof
It can carry food and drink, clothes, wallet, cell phone and other personal belongings