10mm Straw Covers: compatible with Stanley 40 OZ tumbler straw and most straws in diameter 0.4 inch(10mm).The perfect gift for friends and family.

Food Grade Material: Made of silicone these silicone straw covers are durable reusable and can be cleaned by hand or in the dishwasher. Not only can it be decorated but also can increase childrens habit of drinking more water. It is airtight and sealed dustproof and splashproof especially suitable for outdoor activities.

Cute straw cover: This straw topper not only looks cute but is also practical.It can effectively block dust and other foreign objects from entering a straw stopper that can be used permanently without harming your body and its also very cute you deserve to have it.

Suitable size: Straw cap is suitable for straws with an outer diameter of 0.35"-0.4" perfect for Stanley Cup straws good sealing effect dustproof and leak-proof.

Package: Good choice for a giftthis cup straw coverIt looks very cute easy to put on and take off when using the main thing is reliable quality. It is the best gift for cups lovers.