Exercise Trampolines for Jumping and Gymnastic and Indoor 1 We're manufacture,workshop 2 CE certification 3 Weight 4---14KG Exercise Trampolines for Jumping and Gymnastic and Indoor1 We're manufacture,workshops2 CE certificationN.W:4KG, 5.5KG, 6.6KG, 7KG, 8KG, 10KG, 11KG, 12KG, 14KGS We have passed German GS, TUV certification as belows: