Brightly colored and scented retainer cases will be a hit with you patients! Features sleek modern one piece construction and a long lasting hinge. Locks securely to protect contents. The top of each case has vent holes to prevent odors. Scented variations have the aroma molded into the case providing a long lasting scent. Box of 20. 3"W x 3.25"L x 1" Deep. PACK OF 20.