OptiLock non-adhesive dressings, 6.5" X 10" dressing pad size 5.5" X 8.9". Super-absorbent polymer core locks in drainage under compression. Adjusts absorption to the amount of drainage. Protects skin from maceration. Non-adherent wound contact layer for pressure ulcers, partial and full-thickness wounds, leg ulcers, lacerations and abrasions and wounds under compression. May be left in place for up to 7 days; Dressing change frequency will depend on amount of drainage.