Lid and Straw for 30oz Tumbler - Sliding Closure Lid - Stainless Steel Straw - Lid for Yeti and RTIC 30 oz Tumbler Lid - Fits Yeti, RTIC, Ozark Trail - Best Value HEALTHY CHOICE - Straw is made of 100% food grade premium stainless steel, and clear lid that is BPA free with zero toxins. Make the healthy choice and go with Avito. PERFECT SIZE STRAW - 5/16" x 8 1/2" (0.8cm x 21.5cm) straw is designed for use with this lid and makes your beverages easier to drink without having to tip your tumbler. SPILL RESISTANT - Slider closure moves easily so you can quickly prevent spills when the road gets bumpy. Slider is smooth and easy to use, and will stay in place. More spill resistant than the standard lid. FITS MANY BRANDS - Works with most popular 30 oz. tumblers with 3 3/4" (9.5cm) openings, such as Avito, Yeti, RTIC, Ozark Trail, Magnum Steel, and many more. Money back guarantee. DISHWASHER SAFE - Don't worry about your straw melting in the dishwasher. Both straw and lid are dishwasher safe on top rack.