Water bottles from T. S. Lam Industrial Co., Ltd range in price between 33 and 79 cents, FOB Hong Kong. More functions for niche markets T. S. Lam offers both warmers and coolers. Its capacity is one liter. Canteen flask W1520 for hot drinks has an internal cylinder and polyfoam insulation to retain heat. Both models are made of PE with metallic housing.
Most water bottles are the squeeze type with a top drinking straw.
Many also have a pop-up lid that is automatically activated when the release button is pressed. One of the newest models features an anti-slip rubber coating. T.S. Lam's water bottles for children include series W1532, consisting of seven cylindrical water bottle models, each enclosed in a transparent PVC band with silk-screened cartoon prints. Capacity is 550ml. A similar design collection, the W1514, is 800ml in capacity.