WARMTUYO Hot Water Bottle Foot Warmer Specifications: - Plush cover material: plush cloth + dispenser cloth - Hot water bottle material: high quality natural rubber - Hot water bottle cover size: 32 x 30 x 4 cm - Hot water bottle capacity: 2 L - Suitable foot size: foot below size 41 (foot shorter than 26 cm) - Clean way: hand wash or machine wash below 30 °C - Package contents: 1 rubber hot water bottle, 1 soft plush cover, 1 user manual - Precautions: Do not touch the hot water bottle directly with your hands. The hot water temperature should be below 80 degrees Celsius. Do not fill with water more than two-thirds of the bottle capacity. Do not place the hot water bottle with sharp objects to prevent cracking. Store the hot water bottle in a cool place, do not expose it to sunlight. Keep away from babies and children under 9 years old when adding hot water or using to avoid burns. Do not reuse the water injected into the hot water bottle, nor drink it. Pour out the water after each use.