DDMA Silicone Straw Covers Cap 4Pcs, Flower Straw Cover Cap for Stanley Cup Silicone Straw Topper Compatible with 30&40 Oz Tumbler with Handle,Straw Tip Covers 10mm 0.4in for Straw Tip Covers

【4 PCS Straw Covers for 10 mm Straws】: These straw covers fit most 0.4 inch (10mm) diameter straws. Compatible with Stanley 30/40 OZ tumblers. They make great gifts for friends and family.
【Food Grade Silicone Material】: unlike ordinary PVC material straw covers cap, our straw covers cap is BPA free, and there is no unpleasant smell, you can use it without worry, cleaning it is a breeze! Plus, they can help encourage children to drink more water.
【Leak-proof 】: Prevents the straw from being contaminated by dust and spittle in the air, and also prevents mosquitoes from entering the water cup, keeps the straw and cup hygienic.
【Cute Design and Practical】: These straw toppers are not only stylish, but practical too. They effectively block dust and other foreign objects from entering your drink, without harming your body. And they look cute too!
【Easy to Carry】: This portable straw lid kit is small and easy to carry, making it perfect for outdoor activities like walking, camping, and hiking.