Features 1. Food Grade Materials: Made of high-quality food grade silicone, non-toxic and odorless, supporting 211 boiling water disinfection. 2. Interesting Design: cute appearance, small size, large capacity, effectively saving storage space, suitable for most fixed devices. Interesting opening and closing design can also be used as a restless toy to repeatedly open and close in hand. 3. Humanized Design: This storage box comes with breathable holes, which can effectively emit odors. The opening is well sealed, so that when the retainer shell falls off, the bracket will not come out, avoiding embarrassment. Suitable for most fixators, easy to clean, and very suitable for children or young people who pursue quality and fashion. 4. Easy To Carry: The fixed sleeve can be placed in a pocket or handbag, and is also equipped with a lanyard. It can help you protect your retainers well during travel, work, and meals. 5. Multiple Uses: It can also be used as a dental cover, denture cover, headphone cover, wallet, jewelry storage box, etc. Specification Material: Silicone + Stainless Steel Color: Green, Pink, purple, Blue Size: 9 x 8 x 3 cm Weight: 50 g Package Include: 1x Dental Sleeve Storage Box