This Smartshake Looney Tunes Reforce Stainless Steel Shaker Bottle is designed for optimal mixing of nutritional supplements. Built with durable stainless steel, it offers excellent temperature retention, keeping your protein shakes perfectly chilled or your beverages warm as needed. Featuring the popular Looney Tunes Reforce design, this 900ml bottle is ideal for use during workouts, at the office, or on the go. Its secure lid and leakproof construction ensure mess-free transport, while the measurement markings inside assist with accurate portion control.