Hollister Karaya Paste - Ostomy Sealing Protective Paste is an easy to use paste that protects skin with Karaya, a natural compound that acts as a natural skin barrier. Karaya Paste shields skin from irritating stomal discharge. This paste also prolongs skin barrier effectiveness, and evens out and fills in skin depressions for a custom contoured fit. Hollister has the ostomy supplies you can rely on. Size: 4 1/2 oz tube. Each, Case of 12.