Features: 1. Premium Material: Made of high-quality silicone, durable and reusable, good sealing effect, dustproof and leakproof. 2. Creative Design: Cloud cartoon shape, playful and cute, very decorative. 3. Suitable Size: Compatible with all types of straws (6mm-8mm). Withstands temperatures ranging from -40 to 480 (-40 to 230 ). It pairs perfectly with your sippy cups, stainless steel straws, and more. 4. Great Gift: Perfect for decorating your sippy cups. Dustproof, airtight and splashproof, especially suitable for outdoor activities. It is also a gift for relatives and friends. Specification: Material: Silicone Product Color: Multicolor Package Size: 5 x 5 x 2cm Package Weight: 20g Package Included: 1 x Silicone Plug Reusable Straws