The Doctor's NightGuard Advanced Comfort Dental Protector One Size Fits All Comfort & Protection Guaranteed Dental Protector For Nighttime Teeth Grinding (Bruxism) Less Bulky More Flexible More Secure Grinding your teeth is like a 200lb weight on your mouth Contents: 1 Dental Protector 1 Storage Case Designed by a dentist for protection & comfort Custom fit by you for convenience Patented 2 Layer Design: soft upper layer to cushion and absorb, firm lower layer prevents grinding and bite through Features: Fitting Channel For a secure fit Soft Layer To cushion and absorb Flexible Arch Less bulky material and greater customization of fit Firm Layer To prevent grinding Most of our customers are able to obtain an excellent fit the first time they try. However, if you are still not satisfied with the fit and comfort of The Doctor's® Nightguard™ Classic™, and you would like to try to fit it again, we will send you a new one. Simply follow the enclosed instructions on how to receive a replacement. We will make the replacement in order to provide you with a comfortable and effective dental protector. Complete fitting instructions are inside package, and there is a toll-free number to call for extra help. Designed by a dentist for protection and comfort. ABC 10044031 Product Listihg.