UNIVERSAL FIT: Designed to fit both 30 oz and 40 oz cups, this teddy bear straw cover provides a secure and snug fit for your tumbler straws CUTE DESIGN: Adorable brown teddy bear topper adds a charming decorative touch to your cup while protecting the straw opening SILICONE CONSTRUCTION: Made from durable 10mm silicone material that's safe for beverage contact and easy to clean PRACTICAL PROTECTION: Acts as a protective cap stopper for your reusable straws, helping to keep debris out of your drinks VERSATILE USE: Compatible with various tumblers and reusable straws, making it a perfect accessory for your favorite beverage container Brown Teddy Bear Straw Cover for Stanley 40&30 Oz Cup, 10mm Silicone Straw Covers Cap for Stanley Cup Accessories, Cute Straw Topper for Tumblers, Straw Cap Stopper for Reusable Straws Tip Lids