Moeo 14Ft Trampoline With Swing Slide, Outdoor Round Jumping Trampoline Wbasketball Hoop Enclosure Net And Ladder, Recreational Trampolines For Sports Fitness, GreenSpecification: THIcKENED gALVANIZED SPRINgS compared with other common springs, Our Trampoline is linked with 72 high -tension strong spring And with anti-rust coatingLonger service lif..