Teal Retainer Boxes - Regular 3"W x 1-1/2"D, package of 12. Displays superior stability. Minimizes the potential for damages. Ideal for storage of small to large items. Retainer Boxes guarantee the safety and decluttering of retainers and other dental appliances. Their one-piece construction and solid locking mechanism exhibit excellent durability to prevent the appliance from falling out and breaking.Various benefits of the retainer boxes also include stress resistance for more extended use and portable weight for comfort. A universal design presents significant storage space for other materials.