Ensure a perfect fit with the Adapter for Stanley cup to Cirkul.easy installation and removal, solving the problem of not being able to tighten or loosen the adapter when wet. Perfect for the office, gym, or outdoor adventures, this adapter turns your into a flavor-infusing companion on the go. Experience hassle-free hydration with the Adapter for Stanley cup to Cirkul. Make a good choice with the Adapter for Stanley cup to Cirkul. Crafted from sturdy, high-quality, BPA-free materials, this adapter is designed for repeated use, ensuring you can enjoy great performance without compromising the environment. Plus, it's easy to clean, ensuring convenience and hygiene. The food-grade silicone gaskets provide excellent sealing, ensuring no leaks while drinking. Colour:White Material:Plastic + Silicone Package Contents: 2 x Tumbler Adapter / 1xTumbler Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.