Made from steel, galvanised inside & out for rust-free protection & increased strength. 36 high-quality, zinc-coated springs for extra durability. UV-treated heavy-duty jumping mat. Thick foam pads cover the springs & frame providing safe cushioning. Safety standards at the centre of its design. For family domestic use only. Only one user at a time. Adult supervision at all times. Allow a safety perimeter of 2.5m. Supplied flat packed with easy assembly instructions. 12 months guarantee against manufacturing defects on all parts.