Check the listing for details. Mrs. Odonto Retainer Case (2-Pack) for Carrying Braces, Dentures, & Aligners. Condition: New. Listed at 6.50 USD. Mrs. Odonto Retainer Case (2-Pack) for Carrying Braces, Dentures, & Aligners Odorless Case: While ordinary aligner case becomes too smelly after a few days, ours do not, as they are made of PP food-grade plastic & have vent holes to avoid moisture & keep things non-smellyConvenient Design: With a tight plastic closure that is more secure than the magnetic one, this retainer holder lasts longer and does not leak, which means no more unwanted clutter in your bagPack Includes: Set of 2 retainer cases, each with a size of 3.14 x 3.14 1.1 inches in white color. They have space to hold one retainer, are light-weight, and easily fit into your pocketsCleaning Instructions: Just put the retainer container on the top shelf of the dishwasher or follow the old-fashioned technique of washing it with warm water and dish soapPractical Usage: This night guard case is wide enough to cover a whitening tray, partial denture, aligner, or retainer and is portable so you can keep it at home or carry it to your office & while traveling