Premium Silicone Cup Cover: This silicone straw cover is made of BPA free, high quality silicone, odorless, durable, reusable, non-toxic. Just wash it with your hands or throw it in the dishwasher.
Perfect size: fits all types of straws (6mm-8mm).
Can handle temperatures ranging from -40 to 480 F(-40 ~ 230 C).
It fits perfectly with your straw cup, stainless steel straw and so on. Beautiful cherry blossoms/coffee cup/cat dog paw/strawberry/cloud shape.
Airtight and practical: Perfect for decorating your straw cup. Anti-dust, air-tight seal and splash-proof, especially for out-of-door activities.