Feature: 1. Rubber flannel material: The material conceal is delicate and smooth, and feels comfortable; the interior rubber materials is powerful and durable. 2. Safety: The scorching water bottle is pressure-resistant and explosion-proof, no need to plug in, double-layer leak-proof, heat and anti-scald. 3. Multifunctional: The hot water bag dissipates warmth slowly, retains warmth for a long time, and might also be used as an ice pack or a cold water bottle. Note: Not compatible for microwave heating. 4. Usage: Hot water bottles can be utilized as scorching or cold compresses. Hot compresses can relieve knee pain, back pain, menstrual pain, and cold hands and feet. Cold compresses can relieve pain, sports activities injuries, reduce fever, and decrease physique temperature. Attention: Different computer systems reveal assorted colors, the actual shade could also be barely different from the above picture. Thanks on your understanding. Color: S1/S2/S3/S4/S5/S6 Material: Rubber+Flannel Number: EC0477 Size: As pictured Capacity: 2000ml Due to guide measurement, please enable 0 inch error. Packing includes: Hot water bag*1pc (Random Color) or Cloth cover*1pc