Exterior dimensions: 59.7 in. L x 28.5 in. W x 35.4 in. H Interior dimensions: 56.2 in. L x 25 in. W x 32.9 in. H Made of innovative DUOTECH material – a superior, heavy-duty resin that mimics real wood without the upkeep Easy to keep in great shape, thanks to the weather-resistant and UV protected DUOTECH material that keeps it from rusting, peeling, fading or incurring other damage common to furniture outdoors Convenient piston system that opens and closes the lid in a smooth motion