1SILICONE MATERIAL: Straw covers are made of food grade silicone, durable, reusable, safe, environmentally friendly and odorless. 2EASY TO USE: The straw stopper can be fixed directly on the straw, you can remove it directly when using the straw or suspend it on the straw. 3DUSTPROOF: Effectively prevents dust and debris from entering the straw, ensuring the safety and cleanliness of the drink. This feature provides a clean sip with every drink, ensuring peace of mind when using. 4UNIVERSAL: Suitable for a variety of straw sizes, it's an essential accessory for any beverage container. Its one size fits all design makes it universally compatible, accommodating a range of straw sizes. 5LIGHTWEIGHT AND PORTABLE: The straw covers can be carried around and used wherever you need them, suitable for a variety of outdoor activities, such as walking on the street, camping, hiking or other activities. 8 xStraw Covers