Size of Trampoline - Measure the length of the trampoline from the top of the outer metal frame across the mat to the top of the outer metal frame on the opposite side
Diameter of Mat - Measure the length of the mat from the top of the outer D-Ring, across the mat, to the top of the opposite outer D-Ring.
Spring Length - Measure the length of the spring by placing a ruler alongside it, measure the spring from the top of the spring to the bottom of the spring, hook to hook. Ensure that the spring is tightly coiled when measuring.
Distance Between Loops - Measure the distance between the connecting points of 2 D-Rings.
