Hand grip with a foam coat. Material is stainless steel spring. Size:13.5x3cm. Foam color is available. Use of the bands for resistive exercise provides both positive and negative force on the
muscles, improving strength, range of motion and cooperation of muscle groups.Each pair in one blister package,36sets/CTN/43.5x36.5x29We also accept OEM products. Please you free to contact me if
you want to know more information