SmileSaver 4 x Protective Mouth Guard Carry Container - Cranberry/Red/Purple/White Designer Swirl - Inside: 7/8" Depth x 2 1/4" Height x 2 3/4" Width The Only Retainer Case on Amazon that is Backed by 30 Day Warranty Compare Your Size Before Buying to These Specifications: Internal dimensions: 7/8" (23mm) deep x 2 1/4" (59mm) high x 2 3/4" (70mm) wide Keep your upper plate in one and your lower plate in another Refunds for any reason if you measure before buying. Today can be the day you put an end to the craziness and avoid any more crying over the sink or toilet Start protecting yourself from a gum infection with a sanitary, impact resistant Smile Saver case. Did you ever forget your retainer was in your pocket and sit on it? Start protecting your dental investment with a Beautiful Smile Saver It's cheap insurance for something you paid a lot for  it sure beats buying an unnecessary denture or retainer because you lost yours Get one with your name on it instead of your dentist's name. No imprinting; create your own label.