This 12FT Vuly Lite Trampoline is manufactured from the highest quality robust steel frame. The trampoline is engineered so it is easy to assemble twice galvanised steel frame. 48 springs feature tapered ends, thicker hooks and chromate conversion coating to prevent breakage. Two-tiered spring system, there are Reversible safety pads that are water and UV resistant. Which makes it extremely strong. Suitable for 6 years and over.