The Reusable collapsible straw is made of a food-grade stainless steel material with a silicone tip for safety. Stainless straw longest length is 8.62 in. including silicone tip. Brush length: 3.54 in. This Eco-friendly straw is durable and easy to clean and its use reduces plastic waste. The Wheat Straw case features over 50% wheat straw barrel mixed with plastic. Hand wash only and follow any included care guidelines.