TK Narrow Stainless Steel 304 Reusable Drinking Straws, Set of 4, Cleaning Brush Included, Fits Yeti Tumbler Rambler 20oz Cups Set of four 18/8 food grade stainless straws with cleaning brush. Narrow diameter fits most sip lids. 8.5" long. Perfect for 20oz cups and tumblers. Rust and scratch proof, dishwasher safe.