OFFICIAL INVISALIGN CASE: This slim, modern case keeps your Invisalign aligners and Vivera retainers secure at home and on the road. SAFE FOR MOUTH AND ALIGNERS: Made of medical grade thermoplastic material that will not leach hazardous chemicals into aligners; Safe for sensitive mouths. SECURE ALIGNERS: Whether you're at home or on the road, our retainer cases protect your aligners or retainers from accidental damage when they're not being worn. This case features a compact design and built-in magnetic closure for easy on-the-go storage. INVISALIGN VALUE: From cases to retainer cleaners, Invisalign offers all the tools and Invisalign accessories you need to maximize the experience of achieving your best smile; Aligners not included. This slim, modern retainer holder case keeps your Invisalign aligners and retainers secure when at home and while on the road. A magnetic closure ensures the retainer case stays securely fastened, while a textured liner helps to minimize movement. Specialized spacing behind the hinge of this Invisalign case provides ventilation, allowing your aligners to breathe.