One Size Fits All - Fits To Any Mouth Size, Even Crooked Teeth
Includes Resizable Silicone Molding Bars For Custom Fitting
Top Grill measures 5/8" x 1-7/8" & Bottom Grill Measures 1/2" x 1-3/8"
Instructions Are Included for Easy Molding Within Minutes.
Attention: Please keep in mind that this item is NOT Real Silver