Cow Tumbler Print Straw Topper - 10 MM for Thick Straws

Our silicone straw topper's are compatible with 10mm straws ; these are made specifically for stanley straws.

These straw caps covers are made of durable and good quality silicone, reusable, non-toxic and tasteless, have a dust-proof decorative effect. Reliable and sustained, not easy to deform or break, and can be kept for a long time

These straw plugs can be fixed on straws directly, not easy to fall off, and practical for protecting your straws away from dust.