Advantage
[Material] - Made from silicone rubber, flexible and durable, resistant to wear and tear, safe and reusable, easy to roll or fold for convenient storage. Simply wipe it with a damp cloth or rinse it with water for easy cleanup.
[Good Protective Effect] - Keep your water bottle safe from scratches, dents, and minor impacts with the help of this silicone boot sleeve. It acts as a protective layer, ensuring your water bottle stays in great condition for longer.
[Easy To Use] - Simply hold the tumbler, put the silicone boot on the cup bottom, and squeeze out the air. The cup bottom won't fall off easily and will not make a noise when placing it on the table.
[Wide Application] - The water bottle bottom boot fits 40, 30 oz tumbler bottle. You can use them at outdoors, fitness, home, office, or anywhere else.

Specification
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