Perfect Compatibility: Designed to fit perfectly with Stanley Adventure Quencher Travel Tumbler 30&40oz, Stanley cup 30&40oz, Stanley 30&40oz Quencher with handle. Perfect for stanley cup accessories. Also fit for other brand or other size tumbler, please confirm the bottle size you have before purchasing. Ease of Cleaning: Dishwasher-safe or clean with the included cleaning brush, the clear glass is to allow to see clearly the inside of the straw, making it easier for you to clean and use it. Stanley Straw Replacement 40 oz: Made of high borosilicate glass, these clear glass straws are safe and heat resistant, BPA-free, no taste, not fragile smooth surface and no need to worry about hurting your mouth. Stanley Straw with Cloud: Each straw is blown by a glass artist in a high temperature flame, and will not fall off. The curved part of each glass straw has a cloud design, practical and beautiful, showing your stylish taste. Cute Glass Straws: The package contains 6 glass straws (including 3 straight and 3 bentand) and 2 long-handled cleaning brushes, the straw has a length of 12'' and a diameter of 10MM. Glass straws with charms add fun to our life and which can save money and protect our environment at the same time. Package Include It include 6 pieces glass straws and 2 pieces cleaning brushes, you will get 8 pieces in total. Anti-crushing This product is processed from food grade borosilicate glass. It can withstand high temperature and low temperature resistance and has anti-crushing function after strengthened. You can enjoy hot, cold drinks and maintain a better taste. Eco-Friendly The reusable glass straw are eco-friendly and pollution-free, you can use them all the time with one purchase, avoid non-degradable waste brought by plastic straws and affect the environment. Notice The glass straws are shatter resistant, but the heavier flower will break on impact, so please careful it.