Leak-Proof No Wrinkle Straw Toppers for Stanley/Tumbler Cup for 9-10mm Straws

The no wrinkle straw toppers perfectly fits all straws with a diameter of 9-10mm.

Size:as picture

Material: Silicone

Wrinkle straw toppers ensures a tight connection with the straw, effectively preventing problems such as falling off.

This is designed to guide you to suck with your lips slightly open, increasing the contact area between your lips and the straw.

Color:Transparent

Safe, durable, reusable, harmless for a long time use.

Small and cute, can be carried around

Package include:

1 x straw cover

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