Impermeable design: This castor oil wrapped patch features a dual leak-proof design with a leak-proof ring surrounding a cotton pad and a waterproof fabric layer. These two upgraded designs greatly improve its performance, allowing you to enjoy castor oil care without a worry.Widely used: Castor oil packs only need to be used once to relax the body and give you a comfortable use experience. It can be used in exercise, reading, travel, work and other occasions, very convenient.Suitable size: This castor oil patch has a suitable belly button size, measuring 3.14 inchesHigh quality material: Castor oil bag is made of high quality plain spiny fabric, breathable and comfortable, strong water absorption, waterproof and oil proof. Not easy to break or fade, strong and reliable, durable.Organic Low allergy: The organic castor oil wrapped patch is made of spunlaced non-woven fabric, organic cotton and imported pressure sensitive adhesive to ensure gentle skin.