... :1000 pcs ) Mail function: Belly-healthy machine, can strengthen the muscles And joints, reduce weight 2) ... Suitable for young and old people 3) Can practice everywhere 4) Product size: 35.6 x ... minutes a day. With this abdominal fitness equipment one can work on ABS, waistline, obliques, arms, chest ... The roller slide is extremely stable, with four wheels so you can focus on your form, not keeping your ...