Parts List: 16×Silicone Straw Covers (8 Colors Each 2) Description: The package comes with 16 silicone straw covers, which are made of food grade silicone, durable and reusable. The straw cover features 10mm 0.4in hole diameter, easy to use and ideal for protecting straws from dust. Key Features: Reusable: The silicone straw cover is effortless to clean, available both hand clean and dishwasher clean. Reusable and cost effective. Decorative: The silicone straw cover not only can protect straw from dust, but also decorate your straw, making your tumblers and water cups unique. Specification: Name: Straw Cover Size: Length 4.5 cm 1.8 in Width 2.5 cm 1 in (hole 10 mm) Material: Food Grade Silicone Note: 1. There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color 2. Please allow slight dimension difference due to manual measurement?Package Content?The package comes with 16×Silicone Straw Covers (8 Colors Each 2). Sufficient quantity for daily use and replacements. It is a practical gift for your friends, colleagues, family and more, keeping the straws from dust. ?Cute and Practical?The silicone straw covers are not only stylish but also practical. The silicone straw covers effectively block dust and other objects from getting into the drink. And the straw covers feature cute look with a flower shape design, ideal for decorating the straws. ?Food Grade Silicone?The straw lid covers are made of premium food grade silicone, durable and reusable. Available both hand clean and dishwasher clean. And the silicone straw covers are airtight, sealed, dustproof and splashproof, suitable for outdoor activities. Also, it helps kids to drink more water. ?Applicable Size?The silicone straw cover is suitable for all large mouth straws with a diameter of 9-11mm. It is easy to use, effectively protecting your straws from dust. Pleasures measure your straw size before purchg the straw cover. ?For 30 40 oz Tumblers?The silicone straw cover has a length of 4.5cm, width of 2.5cm and hole diameter of 10mm 0.4in, which is perfectly suitable for 30 and 40oz tumblers with handle and stylish 40oz water cup with straws.