1. This castor oil pack set uses soft and comfortable fabric and a leak-proof outer layer to prevent leakage and avoid mess. Note: The set does not include castor oil, only includes a waist pack, chest packs, and a neck pack. 2. Features: 1. The set includes 1 waist castor oil pack, 1 neck pack, and 2 chest packs. 2. The waist pack is designed with a zippered top pocket where you can place a hot compress pack or a cold compress pack as needed to accelerate absorption or cool down (ice packs/hot packs are not included). 3. The chest packs can maximize the contact area between the chest and castor oil, improving the utilization rate of castor oil. 4. It uses soft fabric and a leak-proof outer layer, keeping you away from oil stains. 5. It uses Velcro fasteners, suitable for different waist and neck circumferences, and is easy to put on and take off. 6. It is washable and reusable. 3. Specifications: 1. Material: Polyester fiber, acrylic fiber, cotton cloth 2. Color: Khaki 4. Size specifications: 1. Waist pack (length × width): 104.5 × 23.5 cm, suitable for waist circumference 79 - 93 cm. 2. Neck pack (length × width): 46.5 × 9 cm, suitable for neck circumference 30 - 40 cm. 3. Chest pack (diameter): 24 cm 5. Package contents: 1. 1 waist pack 2. 1 neck pack 3. 2 chest packs 6. Please note: 1. Due to manual measurement, slight differences are allowed. 2. Due to different monitors, the color may vary slightly.