Double-Walled, Vacuum-Insulated, Leak-Proof Stainless Steel Metal Water Bottle & Thermo Bottle. the Screw Cap is Attached to a Rotatable Silicon Carrying Strap & Remains Attached When the Bottle is Open, So You Always Have One Hand Free. Suitable for Maintaining the Thermometer of Cold or Hot Drink. Capacity 600 Ml. Each Piece in a Box. Minimum Quantities Apply.