Hollister - Ostomy Appliance and Medical Skin Adhesive is an appliance adhesive and ostomy adhesive that provides a secure and flexible seal, yet is gentle on the skin. This medical grade adhesive is made of a silicone-base that is not affected by moisture so it can be used while bathing and swimming. Hollister's easy-to-use spray on appliance adhesive is both flexible and comfortable. 3.2oz spray can, Each.