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 that will not crack or break easily, odorless and safe to use. Safe design: Features a tight locking closure to prevent the denture case from opening unexpectedly. Vent holes design: Includes 8 breathable ventilation holes on the bottom of the dental storage box to keep mouthguards, retainers, or dentures clean, dry, and help inhibit bacterial growth during storage. Widely used: Lightweight and compact, portable for travel or for storage in bags. The small case is spacious enough to accommodate most retainers, transparent holders, dentures, ear plugs, earbuds, and similar items.