ITEM NAME:Dual ABS Abdominal Wheel AB Roller Exercise Fitness Equipment Workout GYM M5E1 Dual ABS Abdominal Wheel AB Roller Exercise Fitness Equipment Workout GYM M5E1 The ab roller can exercise up to 20 different muscles, helping to speed up metabolism and burn fat. Bubble of ergonomic handle can be easily controlled, so that you can put your core aside, and solid metal shaft will challenge your balance, in order to achieve the best fat burning. Build your abs to burn calories, build muscle, and improve your overall endurance. Good quality: one of the most effective family fitness equipment. sponge to ensure safety and comfort. Product name: double-wheel quality healthy belly wheel. USES: fitness, health, chest expansion and so on! Add thick double wheel, environmental protection new material, mute do not hurt the floor, prevent slippery. colour:Dark blue Material:ABS+plastic size:Roller diameter: 16.5cm 14.5cm. Package Contents: 1x Ab Roller Wheel 1x box Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.