Collagen Bovine Membrane 30 x 40 mm, 1/Box. Used for healing and regeneration of bone. Maintain is intended to aid in the wound healing process within oral surgical procedures, such as: dental implants, bone defects, periodontal defects and ridge augmentations.Made from highly purified Type 1 bovine collagen, Resorption time 26-38 weeks, Higher mechanical strength for membrane stabilization. **This product can only be shipped to Dental/Medical facilities.