Material: PP durable webbing , stainless steel D-ring buckle,neoprene padding. Strap size:length 40cm / 15.7 inch, wide 5cm / 2.0 inch . Padded size:5.5mm thick , 10.5 inches length of the padded section. D-ring size: 3.8cm (ring diameter), 5mm (pipe diameter). One strap net weight:60g Be used for exercise training and rehabilitation training .Trai..