Safe For Your Mouth & Your Aligner ： retainer case is made of premium-grade ABS material, tasteless and non-toxic, will not leach hazardous chemicals into your aligners, safe for sensitive mouths. The Mouth guard case is sturdy and durable, will not crack or break, long-lasting use. Magnetic Lock Design ： retainer container features a compact design and built-in magnetic closure, is highly sealed, can effectively prevent water and dust, and avoid the box from accidentally opening and crushing the braces. Anti-slip Design ：Texture design minimizes slipping and moving inside, preventing braces accessories from slipping when opening the box, and keeps dental appliances from sliding around and rattling when in your retainer box. Lightweight and Portable ： retainer cases are great storage for retainers, mouthguards, dentures, braces, teeth mouth trays, splints, ear plugs, ear buds, etc. The denture case is mini and light, you can put a denture box in your pocket, or schoolbag, perfect for you to carry to work, school, or traveling. Easy to Clean ：retainer box helps maintain a high level of braces hygiene, you can clean the brace case with warm water and detergent, or you also can clean the aligner case in the dishwasher.