YETI Rambler 36oz Vacuum Insulated Stainless Steel Bottle with Cap The 36 oz. Rambler Bottle has the insulating power of a Rambler Tumbler in bottle form, with enough power to keep your water cold until the very last drop Features a durable 18/8stainless steel construction that can handle raging rapids, rugged worksites, and bucking broncos It has a TripleHaul Cap that makes for easier grips while hiking or paddling and is 100% leakproof Features a No Sweat Design to keep condensation from collecting, so it keeps fingers dry and un-frostbit The 36 oz. Rambler Bottle is 3  inches in diameter and 10  in high