"Material: Silica gel This straw cover is suitable for straws with a diameter of 0.39in (10mm). Enhance your sipping experience with our ball straw lids.Designed for straws with a diameter of 0.39in(10mm).Use this product to effectively prevent mosquitoes and foreign objects from entering the cup, adding a layer of protection for your health ADORABLE & TRENDY! Offer many hours of enjoyment for Store！💜 How cute are these Items! These make GREAT gifts💝! 🎀Gift Idea | Gifts Store ❤️ Thank you so much for love & support ❤️ •✈️ After your order is placed, we ship in 7 - 9 business days.✈️ •❤️ All shipping comes with Tracking Numbers.🧡 💌 However, your satisfaction is our first priority so please feel free to contact us if you have any question about your order. **Please note these items are Manual Measurement, Measurements are approximate. **Any props seen in photo are not available for sale."