Titanium Reinforced ePTFE Membrane 25x30mm Posterior Large - for grafting large bony defects. Multi-layer, non-resorbable membrane intended to be surgically placed under the muco-periosteum to aid in tissue regeneration. Barrier material with titanium frame enclosed within two layers of ePTFE material. The titanium reinforcement is intended for space and shape maintenance to contain bone grafting material and to minimize graft movement during wound healing. Textured on both surfaces.