Enjoy safe backyard fun on a 12-foot Astm-certified trampoline with curved poles wrapped in 10mm foam padding and a full spring safety pad. High-resilient Pp mat with strong 3.2mm steel springs delivers superior bounce supporting up to 400 lbs. Double-sided galvanized steel frame and Uv-tested mat ensure lasting outdoor durability. A sturdy ladder with wide non-slip steps provides safe access. Self-locking system simplifies assembly.