The gsi glacier stainless dukjug water bottle is a godsend to any outdoor adventure this light weight and extremely rugged stainless steel water bottle is a must have the recessed gap on the gsi glacier stainless dukjug allows space for up to 2 metres of emergency duct tape the silicone grip easily rolls back over to help protect the tape and keep it ready to go incase of emergency the bottle itself has been made from glacier stainless steel featuring a cam profile lid to help you with