Thermos 12 Ounce Tritan Hydration Bottle, Purple Durable, impact-resistant and reusable hydration bottle is an eco-friendly alternative to disposable plastic water bottles Made from innovative Eastman Tritan polyester; BPA-free Easy to use flip up straw; integrated carry loop Not intended for carbonated beverages as this places the product under pressure and may cause it to leak For cold liquids only; 12 ounce capacity