Product information:

Material: TPE
Color: yellow 2080 * 4.5 * 6.4 mm (5-15 pounds),Red 2080 * 4.5 * 13 mm (15-25 pounds),Black 2080 * 4.5 * 22mm (25-50 pounds),Orange 2080 * 4.5 * 22mm (25-50lbs),Purple 2080 * 4.5 * 32mm (50-75 pounds),Green 2080 * 4.5 * 44mm (100-120 pounds),Blue 2080 * 4.5 * 64mm (120-175 pounds)

Packing list:

Fitness elastic ring x1