Hydrocolloid Bandages 2in × 16ft – Hydrocolloid Roll, Hydrocolloid Tape & Hydrocolloid Patch for Wound Care, Blister Bandages for Feet & Heels, Waterproof & Cut-to-Size. Trim-to-Fit Flexibility – Cut to size as hydrocolloid tape or patches, easily adapting to different wound areas, from small cuts to large blister bandages for feet and heels.