Easy Assemble "Spacious" 9&rsquo; X 15&rsquo; Rectangular Trampoline with Fiber Flex Enclosure Feature Designed with a Top Flex Pole Enclosure System. Net runs through the top ring to ensure maximum stability and a stronger and longer life span. Constructed with heavy duty Black-coated steel for extra durability and Ultra bounce heavy duty galvanized springs for bursting strength and maximum bouncing NO COMPLICATED HARDWARE NEEDED - The EASY ASSEMBLE/DISSEMBLE feature High Quality Jumping Mat manufactured from premium PP mesh material, has 8 row stitching which provides extra security that prevents the mat from tearing and guaranteed to enjoy for many years!