Perfectly compatible: Unlike most straw caps on the market, this straw cover is specifically designed for stanley cup straw. You don't have to worry about the wrong size, perfectly compatible with stanley 30 and 40 oz tumbler with handle straws! Leak-proof: prevents the straw from being contaminated by dust and spittle in the air, and also prevents mos,quitoes from entering the water cup, keeps the straw and cup hygienic. 【Easy to carry & good protection】Our Silicone Straw Tips can perfectly cover your straw. Effectively dustproof and spill proof. It can be fixed on the straw and can still be hung on the side of the straw after opening the cover. Prevent loss and easy to use.Keep your straws cleaning!They are small in size and convenient for daily carrying, especially suitable for outdoor activities, walks, and camping. 【Reusable & Safe Material】Made of High Quality Food Grade Material.BPA free, Odorless,Durable and reusable.They can be hand washed and machine washed.Safe materials allow you to use them with peace of mind every day. 【Perfect Gift】These straw toppers feature a fun cartoon design to add a playful touch to any drink. The cute shape can distinguish your straw from other straws to avoid accidental sucking. They make a perfect surprise for friends and loved ones. 【Perfectly compatible】: Unlike most straw caps on the market, this straw cover is specifically designed for stanley cup straw. You don't have to worry about the wrong size, perfectly compatible with stanley 30 and 40 oz tumbler with handle straws! 【Easy to carry & good protection】:Our Silicone Straw Tips can perfectly cover your straw. Effectively dustproof and spill proof. It can be fixed on the straw and can still be hung on the side of the straw after opening the cover. Prevent loss and easy to use.Keep your straws cleaning!They are small in size and convenient for daily carrying, especially suitable for outdoor activities, walks, and camping. 【Package including】The 6pcs reusable silicone straw covers caps set includes 6 different style straw toppers in different shape enough selection of cute looks for you.