This stainless steel straw is health to everyone and can be recycled, no pollution on the environment. The collapsible reusable straws can telescope, perfectly compatible with 10~40oz cups or tumbler. Not only supper practical but also convenient to storage. Help you to save more space. The reusable collapsible straw within a telescopic stainless cleaning brush which is long enough to wash the whole straw. Coming with stainless travel case and keychain, it fits in your pocket, purse or hooks on your backpack, shoulder bag. Make this a part of your next promotion to draw more people to your place of business!