1、Frame: Made of Q235 galvanized rectangular steel tubes, 50×80×3.0 mm, 40×80×2.0 mm, and 40×40×2.0 mm (Test standard: GB/T 228.1-2021).
2、Surface: 15 mm plywood (Inspection standard: GB/T 5849-2006 (Plywood); formaldehyde emission (9–11 L), internal density deviation, moisture content, static bending strength, modulus of elasticity, and internal bond strength meet the E0 grade requirements of GB/T 5849-2006); 2.0 mm thick printed PVC flooring; climbing holds; and electronic timer.
3、Safety mat: 28 kg/m³ foam, 10 mm thickness (Test standard: GB 6675.4-2014); 140 mm thick EPE pearl cotton; Plato PVC-coated mesh fabric (printed), 0.52 mm thickness, warp/weft density 1300×1300D, compliant with EU standard EN 71-2:2020 Safety of Toys — Part 2: Flammability, Clauses 4.1 and 4.4.