[DUST PROOF: Straw lid with the dust cover can effectively keeps dust off the mouth piece. One-handed to open ideal for use while driving or sports COMPATILITY WITH YETI RAMBLER WATER BOTTLE: Straw Lid for YETI Rambler bottle 18 oz 26 oz 36 oz 64 oz. NOTED: Not fit for YETI Rambler Tumbler EASY TO DRINK & CARRY：Easy to drink flip-top design which prevent dust from entering and avoid touching the nozzle with your hands making it more hygienic. Durable soft handle provides hand-free carrying LEAKP ROOF: Durable straw mouthpiece resists bite marks and the rubber gasket provides longer-lasting insulation and 100% Leak-proof Spill-proof Anti-drop. Perfect replacement cap for YETI Rambler 18 oz 26 oz 36 oz 64 oz HIGH STANDARD：Made of high-quality material BPA-Free & Toxin-Free. Plus you will get 1 straw lid 2 straws and 1 brushes in 1 set. With the 64 oz no trimming of the straw was needed]