Biatain Adhesive Sacral Dressing 5s Biatain Sacral is a self-adherent foam dressing. Made with a highly absorbent, three-dimensional polymer pad. Made to shield & protect chronic, acute & exuding wounds in sacral area. Coloplast Biatain dressings have a skin-friendly hydrocolloid adhesive border & a central 3D polymer absorbent pad with waterproof, semipermeable film backing.