... tone, and firm your muscles. 2.The home gym material is high pp pvc. 3.the packing ... Rim material: PU, PVC 6) Inner cover material: ABS 7) Outer cover material: PC, AS, PP Inner ... slim, tone, and firm your muscles. Abdominal Fitness Equipment works your ABS, arms, shoulders and waist. ... and strengthens in just minutes a day. With this abdominal fitness equipment one can work on ABS, waistline, obliques ...