Silicone boot with pompom key chain and lipstick holder features Top Quality - Soft and resilient, silicone bottom sleeve gives extra protection on your stanley cup and similar size tumbler base , sturdy and last long Fits Perfectly - Compatible tumblers and water bottles can be placed into car cup holder with the bottom sleeve Better protective effect on cup bottoms - Anti-slip, Anti-dent, avoid scratch, reduce noise, no metal clank Addition to Stanley cups 20-40oz and hydroflask water bottles 12-24oz Cute and Nice Silicone Boots - Great accessories for Stanley cup, accessories for hydroflask 12-24oz water bottles with base diameter 2.8-2.95 inches. Tips: NOT work for Hydro Flask All Around Travel Mug Easy to Use - The sleeve is easily to put on and taken off from the cups or water bottles. With air outlet - Boot fits snugly onto tumblers and the boots can stablize the cup and hydroflask water bottles
