With 6 second ABS, you can train all of your abdominal muscles in just a few short sets or you can target specific muscles. The flexibility of this program is what helps you accelerate your results. Perfect form: With 6 second ABS, you'll never have to do crunches on the floor again. Maintain the proper form for a more effective crunch while in a comfortable, seated position. Perfect tempo:6 second ABS guides you through a perfectly-paced crunch by clicking three times down and three times up. Just keep each click at a one-second interval and get the perfect,6-second crunch every time. With 6 second ABS, you can train all of your abdominal muscles in just a few short sets or you can target specific muscles. The flexibility of this program is what helps you accelerate your results. Packing with color box, VCD and manual Packing: 1pc/gift box,8pcs/ctn Carton Size:57x44x56.5cm G.W.:16KGS (8pcs) N.W.:14KGS (8pcs) Container Load: Qty/20':1576pcs Qty/40':3272pcs Qty/40HQ:4032pcs Quality/Safety Certifications: SGS TEST REPORT