Denture Box from Zirc are soft plastic retainer holder are perfect for spill-proof cleaning and storage. Plastic retainer storage cases come in several colors to choose from and come in a universal size with deep enough area to store different sizes of mouth guards, night guards, and other mouth devices. You can also store crown and bridge repair as well. Plastic denture holder are easy to store and clean and have snap closure for a tight seal. Colors will vary depending on available denture box lots. Chose several colors to color code your storing and sorting.