Snazz up your Stanley Cups with these silicone cowboy hat straw covers! This set of four covers is specially designed to fit 40oz/30oz 10mm (0.4in) straws, and comes in black, white, pink, and brown. Don't worry about losing your cover, it has a handy strip that can be hung on the side of the straw after opening. These covers also make for a fantastic gift! Yee-haw!  Food grade silicone material, BPA free, dishwasher safe, reusable and easy to clean.  [SPR-9878417309990]