Material:Food grade silicone, no BPA, odorless, reusable, BPA free. Color: white, blue, green, yellow, red, purple, orange, pink, a total of 24. It’s easy to distinguish your own cups to avoid mistakes. Size:6mm(0.2 inch) Note: The colors are random. Practical and convenient straw covers for reusable straws, the lips are not hard to touch, there is no cold and heat, the silicone set is comfortable to touch, soft, and it has no worries. Avoid metal taste is safer. Some people prefer stainless steel straws but don’t like metal flavors, so the silicone tip cover keeps our mouth from directly touching the straw, away from the taste, without worrying about cutting your lips and teeth. Match the lid to your stainless steel straws and you’ll get a set of colored straws for cold or warm drinks to reduce the use of plastics and protect the environment. Ideal for 6 mm (0.2 inch) stainless steel straws.