Quite a unique design which allows you to easily and securly store a waterbottle on a dinghy mast or boom.
Its a neoprene sleeve with adjustable webbing straps at each end to fit around different circumferences of tube to fit a waterbottle in.
Can be attached to parts in the boat to store drinks when sailing. The bottle holder features an oval hole to be able to slide the bottle in with one hand. Can fit up most bottle up to 1L in size.