Hydrocolloid Bandages for Wound Care, Hydrocolloid Roll with Self-Adhesive,Ultra Absorbent, Flexible & Waterproof, DIY Size & Shape First Aid Kit Essential (2in 12ft). Easy to Shape Cut and shape this soft hydrocolloid roll to fit any body contour—perfect for heels, knees, or hard-to-dress areas—for personalized protection wherever needed.