Proform Mouthguard Resin Sheets, Black, 5" x 5" .160 thick, Soft for energy absorption, Box of 25 sheets. Guarantees maximum safety. Exhibits accurate adaptation. Improves patient comfort. Reduces irritability. Mouthguard Resin Sheets deliver extra protection from damages caused by trauma during bruxing, contact sports, and intense physical activities. Their additional soft layer displays higher energy absorption to resist impact to tissues, bones, and teeth.Achieve better patient acceptance with the custom fitting than over-the-counter varieties. Eliminate common allergy-related complications with a latex, BPA and monomer-free formulation.