Pull Up Assistance Resistance Bands Exercise-Stretch Bands

Product descriptionAssistance resistance bands with different colors, width and resistance levels Size 6.4mm 8-15lbs Thickness 4.5mm Weight 59 Grams, Size 13mm 15-35lbs, Thickness 4.5 mm Weight 121 grams, size 21mm 25-65lbs thickness 4.5, weight 209 grams, size 32mm 35-85lbs thickness 4.5mm weight 299 grams, size 45mm 50-125lbs thickness 4.5 weight...