Karrimor dry bag the karrimor drybag is an essential accessory for your next adventure with a waterproof design and a durable nylon taffeta construction featuring taped seams and a roll top closure to keep water out and your kit dry and protected these drybags can also be used to create a fully water proof liner inside any rucksack just choose the size of dry bag closest to the volume of your rucksack waterproof sack roll top with side release buckle taped seams nylon taff