?The ab wheel works every upper body muscle group£¬ including shoulders£¬ arms£¬ back£¬ waist and abdomen. It can be used at home£¬ in the office or other outdoor space. <br><br><strong>Features:</strong> <br>Lightweight and portable. <br>It makes no noise£¬ no smell£¬ environment friendly. <br>Two easy-grip handles to prevent slippage. <br>EVA kneeboard with a thick mat to protect your knee. <br>Rubber pull rope can be adjusted according to your need. <br>It can strengthen shoulders£¬ arms£¬ back£¬ waist and abdomen. <br>Suitable for women and men. <br>You can shape a perfect body with it. <br><br><strong>Specifications:</strong> <br>Color: Blue / Green(optional) <br>Material: ABS£¬ EVA£¬ Rubber <br>Min. Pull Rope Length: 17cm / 6.69in <br>Max. Pull Rope Length: 78 - 82cm / 30.71in - 32.28 <br>Item Size: As picture shows <br>Item Weight: 870g / 1.92lb <br>Package Size: 44 * 19 * 14cm / 17.32 * 7.48 * 5.51in <br>Package Weight: 1162g / 2.56lb <br><br><strong>Package List:</strong> <br>1 * Abdominal Wheel <br><br><strong>Note:</strong> <br>Please allow 1-2cm (0.4-0.8") differences due to manual measurement£¬ thanks.