Waterproof and Oil-proof, Firmly Adhesive: Compared with other disposable belly button stickers on the market, our castor oil packs are more firmly adhered and will not fall off even with strenuous exercise, and neither water nor sweat will weaken the firmness of its adhesion.Clean and Safe: Organic cotton material is used as a clean and safe alternative to traditional wraps. The castor oil wrap disposable design ensures that users enjoy a clean and safe experience.How To Use Castor Oil Patch: Take out the castor oil belly button sticker, gently tear off the release paper on the back, then drop an appropriate amount of castor oil and apply the belly button sticker on the belly button.Excellent Absorption Design: Castor oil pack wrap organic cotton ensures maximum absorption and locking of castor oil while reducing the possibility of irritation to the skin. Made of organic cotton.Easy to Carry: Whether traveling or hiking, our castor oil belly button patch packaging is designed to be portable, measuring only 7.6 cm x 7.6 cm, small and does not take up space!