Pro-form Niteguard Laminates – 0.150", Clear, 12/Box This laminated or layered soft material was made specifically for nighttime bruxers. The layering gives the thermoplastic a more abrasion-resistant characteristic that will withstand grinding better than traditional soft sheet material. • 2 layers of EVA - one dense and one softer • 5"x5" laminated sheets • 30% denser mouthguards