71.5% Tritan, 22.9% Polypropylene, 3.1% Thermoplastic Vulcanizate, 1.5% Silicone, 1% Stainless Steel. BPA Free. Ergonomic, Leak Resistant Lid, Soft Finger Loop, Twist Off Cap. Capacity: 680ml. Sustainability: Made from Recycled Materials. Ref: UTCS2560