Features: The product is make from Silicones material, which is resistance to highly temperature and wear. And It have good sealing performances, effectively preventing the overflows / leakage of the straw. The straw cover can keep the straw clean and hygienics, prevent dust, foreign object, bacteria from entering the straw, and improve the safe of use. The straw cover adopts simple and small, which can carried in Light weights water cups / childrens water bottles for easily use when goings out. Suitable for various cups mouth size. Suitable for daily household drink, such as water cups, etc., providing family with a healthy and convenient drinkings experience. Suitable for individual who appreciate creative and interesting item. Elevates your drink experience with this unique straw. Specifications: Material: Silicones Size: As Show In Picture Package Includes: 5pcs Silicones Straw Cover Caps note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.