Set of 4 Stainless Steel Drinking Straws, Universally Fits 16 oz - 40 oz cups including RTIC and Yeti 20 oz 30 oz and FIREKI 40 oz Tumblers, Cleaning Brush Included Set of four steel straws with cleaning brush included. Universally Fits all 16 oz, 20 oz, 30 oz and 40 oz Tumblers. Nearly 10 inches long from top to bottom, these fit the Yeti 30 oz and RTIC 30 oz Tumblers. PLEASE NOTE: These are not intended to be used with smoothies, as they are not wide enough. Dishwasher Safe, Rust and scratch proof-18/8 stainless steel Fits the FIREKI 16 oz, 24 oz, and 32 oz Tumblers Set of 4 Stainless Steel Straws, Includes Cleaning Brush 18/8 Stainless Steel Universally Fits all 20 and 30 oz Tumblers Dishwasher Safe Height: 9.75 in (25 cm) Universally fits standard, sliding, and splash-proof lids