【Fits Perfectly】Cherry Blossom straw topper are 0.4 in/10mm,perfectly compatible with 30&40 Oz Stanley Quencher H2.0 Tumbler with Handle & Stanley Adventure Quencher Travel Tumbler straw.Also compatible for all types of straws with an outer diameter of 10 mm/0.4inch. Our reusable straw topper covers are tight enough not to fall off. 【Premium Materials】Silicone straw topper made of durable, reusable, BPA free, odorless. They are dustproof and splashproof. They can be hand washed and machine washed. 【Protect Your Drinks】The straw covers can preventing dust from entering the straw, which is clean , and can also prevent splashing when not drinking, making drinking more assured. 【Easy to Carry】The reusable straw cover and straw protectors set is lightweight and small, which is convenient to carry and store, and can be put in your bag or pocket, suitable for home, office, school and outdoor use. 【Package Include】4 Pcs Cherry Blossom Straw toppers with different color: Teal Cherry Blossom Flower,Purple Cherry Blossom Flower,Pink Cherry Blossom Flower,Red Cherry Blossom Flower.Which it is personal style.Great little gift or gimmick for friends, families, or even yourself when you want to treat yourself. Compatible with straw toppers :The straw toppers are 0.4 in/10mm,perfectly compatible with 30&40 Oz Stanley Quencher H2.0 Tumbler with Handle & Stanley Adventure Quencher Travel Tumbler straw.Also compatible for all types of straws with an outer diameter of 10 mm/0.4inch. Our reusable straw topper covers are tight enough not to fall off.