Waterproof Storage Solution]: Enjoy worry-free cleaning with this U-shaped sealed storage case that can fully submerge your braces. Its U-shaped arc structure ensures a snug fit while keeping your braces hygienic and pristine.Selected Material]: Made of food-grade PC material and silicone material, this retainer case will not cause harm to your braces and oral cavity. It is also recyclable, making it a great choice for the environment.Leak-Proof and Portable]: The sealed silicone ring and lock design of our retainer case ensures leak-proof protection fro liquid leaks and spills. Keep your retainer clean and dry, and carry it worry-free in your bag or pocket thanks to its handy, portable size.Easy to Clean]: Featuring no dead corners inside, this retainer case ensures simple cleaning with water and soap. Additionally, its high strength stainless steel mandrel permits smooth opening and closing for easy maintenance.Convenient Storage]: This lightweight and stylish retainer case is perfect for portable outdoors use. Its compact size makes it easy to carry and suitable for travel, business trips, work, and other occasions. Additionally, you can store it in bags for convenient and effortless transportation.