1、SILICONE MATERIAL: This straw cover is made of silicone, which is odorless, durable, reusable, and non toxic. Just wash by hand or throw in the dishwasher 2、APPLICATION: Suitable for all types of straws (6mm‑8mm). Can handle extreme temperatures of ‑40~480 ℉ (‑40~230 ℃), perfectly matching your sippy cups, stainless steel straws and more 3、DECORATIVE ACTION: This straw cover is perfect for decorating your straw cup, dustproof, sealed and splashing resistance, especially for outdoor activities 4、EASY TO CARRY: This straw caps is small and easy to carry around, such as shopping, camping, hiking or other activities, etc. 5、GREAT GIFT: Loved by kids and families, this straw tips cover can be a great gift for friends and relatives, etc. Item Type: Straw Tips Cover Material: Silicone + PVC + PP Straw Diameter: Approx. 7mm / 0.27in Weight: Approx. 25g / 0.88oz 1 x Straw Tips 1 x Straw Tips Cover