12pcs Cute Halloween Horror Themed Straw Cover: Silicone straw covers cap for stanley cup come in 12 different styles with a 0.4" (10mm) inner diameter, compatible with stanley 30&40 oz tumbler straws and 0.4" (10mm) diameter drinking straws. Please confirm the diameter of the straw before purchasing. Keep Clean & Dust-Free: The straw topper for stanley cups can prevent unclean stuff entering into the straw, clean and sanitary, making drinking more reassuring. Food-grade Silicone Material and Reusable: unlike ordinary PVC material straw covers, our straw covers cap for tumblers is BPA free, and there is no unpleasant smell, you can use it without worry.They're also easy to clean and hand washable and dishwasher safe. Easy to Use: The straw cap has a strip that can be fixed on the straw, and it can still be hung on the side of the straw after opening the cover, so that it will not be lost. Halloween Decoration: Fun horror movie characters. Perfect for all year, not just Halloween.Our silicone straw toppers is the great gift idea on Halloween Christmas, Thanksgiving, New year, Mother’s day and Father’s day. Great Stanley Cup Accessories: These Halloween straw cover caps are such a fun addition to your seasonal drinkware.They are both cute and spooky, adding some Halloween spirit to your drinks in spooky season,which make them a hit at Halloween parties. These straw toppers for tumblers are a delightful and eco-friendly way, and combine functionality with fun. They are also super cuate and a nice alternative to candy for Halloween gifting.