Durable material: The retainer case is made of PP, strong and durable plastic will not crack or break, long lasting use Colours&size: Comes with 1 piece retainer cases in nice colors white 8.5 x 8 x 3 cm/ 3.35 x 3.15 x 1.18 inch Keep retainer or denture clean: Holes on the case keeps it well ventilated and your oral appliance dry, inhibiting growth of bacteria during storage Safe design: The mouth guard case has a tight locking closure, leaving your case not open unexpectedly Wide use: These little cases are great for retainers, ear plugs, ear buds, etc Features: 1.Holes on the case keeps it well ventilated and your oral appliance dry, inhibiting growth of bacteria during storage 2.The mouth guard case has a tight locking closure, leaving your case not open unexpectedly 3.These little cases are great for retainers, ear plugs, ear buds, etc. Specifications: Material: PP Colour: White Weight: 26g Size: 3.35 x 3.15 x 1.18 inch Package includes: 1 x Denture case