13ft Replacement trampoline padding to fit ANY make of Round 13ft trampoline. This is the high quality PVC padding not the cheaper PE covered padding which isnt as hard wearing and certainly doesnt look as good 0.4mm PVC sheet with 21mm sponge pad The padding is 21mm at the edge of the trampoline where the top ring of the frame is and is 6mm across the top of the springs. Also Available in Red Or Blue. How to measure your trampoline Your trampoline should be measured across its diameter thats across the top of the trampoline from one side to the other including the existing spring padding. The size will most likely be 8ft 10ft 12ft 13ft or 14ft although other sizes do exist. If you are not sure exactly which size you require feel free to contact us with the diameter measurements.