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. Textured on both surfaces. **This product can only be shipped to Dental/Medical facilities.