Materials: Silicone Color: As shown in the picture 1. Exquisite Design: Diamond Straw Cap is specially designed for Stanley cups, with a stylish and unique style that instantly upgrades your cup. 2. High-Quality Materials: Made of premium materials, sturdy and resistant, with a long service life for your peace of mind. 3. Leak-proof Design: The Diamond Straw Cap effectively prevents liquids from spilling out of the cup, allowing you to enjoy your drink without worrying about spills. 4. Healthy: Made of environmentally friendly materials, harmless to human health, allowing you to use it with peace of mind. 5. Multiple Color Choices: Diamond Straw Cap offers a variety of colors to meet your different needs and preferences, adding personality for Stanley cup. Package includes: Diamond Straw Cap*1pcs