50120 latex tube, high elasticity fitness rubber band, sports activities stretching practicing around rubber band, thick solid stress rope
Model: 50120 within diameter 5 mm outdoors diameter 12 mm (wall thickness 3 mm)
50120 bearing power to pull at least 23-25 kg,
Stretch ratio: 1:5 or so
Material: wonderful latex,
Ue, fitness, training Fun Trampoline and so on