When it comes to quality no one provides a better quality bounce than airzone and the airzone 12 ft trampoline with enclosure presents the apex in trampoline build construction and all around funfeaturing high performance springs a secure enclosure and thick padded covers to provide protection from the powdered steel coated frame this unit presents the perfect harmony of enjoyment and safety easy to assemble uv and rust resistant and offering support for up to three users this is the top