[Premium Material]Compared to others,eco-Friendly, and portable, easy to use. Conforming to the food grade, non-,non-harmless and no-odor, these were designed specifically for both safety and durability, suitable for long use. [Simple Design]Our silicone straw tip cover has a scratch-proof, dust-proof and avoids metallic taste design. Protect your lips and don't worry about chipping your lips, teeth.If you the taste of metal straws, this can help you not touch the straws directly.Both sides can be used as extensions. [Easy to Use] This straw plug is wear or the convenience,has enough elastic to fit your straw well.keep your drinks clean and to prevent your lip.(NOTE:Only fit for 8mm metal straws,thanks!) [ ]The straw covers for reusable straws are for , women, your friends daugher, wife, mother, sister for birthday, christmas day, mother's day, valentine's day, halloween. Lovely flower blossom Anti-dust Straw Tips Set is the . Color: Black Material: Silica gel Package Contents: 12x Straw Protective Cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.