Exped fold drybag black the exped dry fold bag blacks are lightweight waterproof bags with a roll top closure ideal for military personnel and hunters who need to keep clothing and equipment dry but cant risk having brightly coloured storage bags with a hydrostatic head of 10 000mm these have a waterproofness comparable to a tent groundsheet so you know theyll resist a good soaking features lightweight and pliable waterproof storage bags with fold top closure 10 000mm hydrostatic head