48" Mini Indoor/Outdoor Foldable Trampoline with Adjustable Handrail Excellent low-impact aerobic workout Foam Padded, Adjustable-Height Sturdy Handrail for extra stability. Handrail has 5 positions and adjust with a knob to ensure durability. Springs connect Set-wise giving it that extra bounce 8-Leg base frame and Foam Padded, Adjustable-Height Sturdy Handrail for extra stability. Handrail has 5 positions and adjust with a knob to ensure durability. Poles Slide into Frame Legs for easier assembly & safer jumping experience. Extra heavy duty welding for legs and handrail.