Replacement Straws: specially designed for Stanley / Owala 40oz entourage cups, great stanley cup accessories. Food Grade: the straw is made of high quality food grade stainless steel material, BPA Free, safe, odorless, won't rust, and reusable. Colorful Straws: the straws add a colorful effect, adding a unique color to your cup, making your cup stand out. Easy to Use: the straws can be used in cold or hot drinks, the edges are polished smooth and rounded, safe to use. Easy to Clean: 6 straws included in the set, Length: 12.2in, Ø: 0.39in, replaceable, comes with 1 straw cleaning brush, easy to clean and dishwasher safe. stainless steel Replacement Straw for Stanley Owala 40oz