Compatible With: Fits for YETI rambler bottle 18 oz 26 oz 36 oz 64 oz. its easier and faster to drink. Just twist the triple handle to open it and youre ready to go. Leak-proof: The black silicone O-ring wraps tightly around the edge of the lid to prevent leaks so you can carry it with confidence. Heat Insulation: Double-layer vacuum insulation material helps ensure that cold beverages stay cold and hot beverages stay hot. High Quality Material: Made of high-grade plastic BPA free eco-friendly shatter resistant sturdy and durable and easy to clean. Dishwasher safe but avoid using it in the microwave.