This is strong, easy to clean, lightweight, stable, UV stabilised, and easy to assemble. It has a high-density UV stabilised clear polyethylene with a non-slip finish for safety and visibility. Chemicals and humidity have no effect on the plastic. Suitable around chlorine or saltwater pools. Two sets of legs are included so you can choose the base height at 500 mm or 650 mm. Brand: IQSmall Size: 1200 mm x 470 mm (L x W)Base Height: 500 mm and 650 mm500 mm Weight: 14.5 kg (Approx.)650 mm Weight: 15 kg (Approx.) Large Size: 1200 mm x 600 mm (L x W)Base Height: 500 mm and 650 mm500 mm Weight: 18.5 kg (Approx.)650 mm Weight: 19 kg (Approx.) ImportantWhen platforms not in use. Keep out of direct sunlight.Lift platforms out of the water at a 45° angle and allow water to drain.