[Fits Yeti Rambler Well & No Extra cartridge Lid Needed：With cartridge Sip integrated design flavor cartridges can be fasterned directly on our adapters to your Yeti Rambler without having an extra cartridge lid. This Yeti adapter enable your YETI to switching between regular and flavored water perfectly fits 12 18 26 36 46 64 oz YETI Rambler Bottles. "100% Leakproof: Our adapters dual silicone gasket guarantees a tight seal with your Yeti Ramble. whats more with integrated flavor cartidge lid design make it no chance of leak between the adapter and the cartridge lid No Leak No Mess Use your flavor cartidges on your Yeti Rambler with confidence." Easy Drink: With the innovative Air Intake System Deisgn to keep the air pressure balance inside and outside the bottle the silicone intake valve in our adapter automaticaly controling air flow in or out to ensure you enjoy every customized refreshing hydration! Safe & Durable Materials: With sturdy BPA free polypropylene plastic and dual food-safe silicone ring ensuring every sip you take is clean and safe from harmful chemicals. Dishwasher Safe & Easy Cleaning : adapters are design for easy cleaning simply pop them in the dishwasher top shelf after using. Spend less time cleaning and more time enjoying your favorite flavors.]