These reusable, silicone tipped, stainless steel straws are ideal for iced beverages or smoothies, the removable silicone flex tip will protect sensitive teeth from extreme temperatures, and the size conveniently fits a variety of tumblers and mugs. Made from BPA-free, food grade silicone and 18/8 stainless steel. Straws measure 9″ long with a 10mm diameter and are dishwasher safe. A cleaning brush is included for hygienic manual cleaning.