Light Solid: Made of a high density resin material, it is stable, waterproof and UV resistant. The net weight of this deck box is only 8.8 pounds Extra Seat: It can be used as an extra seat with a maximum load capacity of 220 pounds and can easily carry an adult. The 20-inch height is especially friendly, and an extra bump around it makes it more like a seat Easy to Install: The product comes with instructions for fitting six side panels together in five minutes to create a new 30-gallon resin deck box Moved and Locked: With built-in armrest, water and UV protection features allow you to transport it anywhere without fear of damage; And can be locked, to ensure the safety of items in the box to prevent the entry of reptiles Dimension: Internal capacity of 30 gallons, size is 22*16*20", the lid is smooth around the raised part, to ensure no injury, the raised height is 1"