The Klean Kanteen 4-Pack Stainless Steel Straw are a reusable solution to disposable plastic straws and an ideal accessory for your tumblers and cups. These straws are made from certified 90% post-consumer recycled 18/8 stainless steel, with a safe, food grade, removable silicone flex tip. Whether you're drinking smoothies, pressed juice, or iced coffee, the Klean Kanteen 4-Pack Stainless Steel Straw make sipping safe and easy.