8.5 x 8 x 3 cm/ 3.35 x 3.15 x 1.18 inch. Random Color Durable Material: Made of pp material, strong and durable plastic will not crack or break easily,no smell, safe to use. Safe Design: Has a tight locking closure, can prevent your denture case open unexpectedly. Vent Holes Design: with 8 breathable ventilation holes on the bottom of detal storage box, can keep your mouthguard, retainer or denture clean, dry and inhibits growth of bacteria during storage. Widely use: Light weight and small, portable for travel or store in bags. The small case is big enough for most retainers, transparent holder,denture ,ear plugs,ear buds, etc. Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.