The air king classic is a well made and highly specified domestic trampoline high tensile springs and a unique polypropylene woven soft touch mat give excellent bounce characteristics supported by a strong 18mm tubular steel frame with advanced t bar connectors and high security v ring fittings the mat is easy draining and air permeable for a better response and 10 rows of perimeter stitching ensure long life and peace of mindr r r r r the airking classic 8ft trampoline features 60 high bo