Trampolines are made of four basic components: the tubing, springs, jumping mat, and safety pads. The tubing, used to make the frame and legs of the trampoline, is usually made of galvanized steel and is bought at a certain length and width from a supplier. ... The jumping mats are made of woven fibers.

What materials are trampolines made of?

The fabric is usually a waterproof canvas or woven polypropylene material. As with competitive trampolines, recreational trampolines are usually made using coiled steel springs to provide the rebounding force, but spring-free trampolines also exist.

Why are trampolines banned?

Citing nearly 100,000 injuries from jumping on trampolines in 2009, the American Academy of Pediatrics has also dismissed the recent addition of safety nets around trampolines. Health officials say children should be banned from jumping on trampolines because they are too dangerous.