Amreich Teacher Straw Covers, 6 PCs Straw Topper Reusable Straw Cover Cap Compatible with Stanley 30 & 40 Oz Tumbler, Stanley Cup Accessories Gifts for Students and Teachers

["10mm wide, suitable for most standard size straws","Made of high quality food grade silicone, soft and flexible, reusable and durable","Wide application, suitable for various occasions, such as drinking coffee, juice, milk tea, cocktails, etc.","The unique design allows you to easily open and close the cover, and the tight seal can effectively prevent spills and dust","Easy to clean, dishwasher safe, you can wash it with water or put it in the dishwasher"]