1NECK RELAXING: Castor oil neck pack can effectively relax your neck, promote blood circulation, reduce inflammation, safe and easy to wear. Efficient and time saving. 2ADJUSTABLE: Castor oil neck wrap is designed with elastic strap, the length can be freely adjusted according to your neck circumference, easy to operate even for hand inflammation. 3LEAKAGE PROOF AND REUSABLE: Double layer design with soft flannel cotton lining for better absorption of castor oil. Water and oil resistant outer layer to prevent leakage. Machine washable, reusable. 4ZIPPER POCKET: This castor oil neck compress pad is designed with zipper pockets to hold hot, cold packs to speed up castor oil absorption or cool down as needed. 5MULTIPLEPURPOSE: Castor oil pack can also enhance the body's colon cleansing function, improve insomnia, digestion and absorption. Effective for constipation, liver detoxification, muscle and joint pains, etc.