Product Size: handle length 12.5cm, wheel diameter 16.5cm Color: black Material: PVC, plastic Package content: 1*Abdominal wheel 1.Effective Core Trainer:Strengthens your core effectively and safely by helping you burn calories, improve your abdominal endurance and build a six pack. A six pack is certainly the biggest sign of a healthy body, and this effective exercise tool helps you achieve this with a few simple movements. 2.Two-wheel adjustment:A wider stand of the down roller provides more stability and control, especially helpful for beginners. The abs roller wheel is a great addition to your selection of home fitness equipment. 3.Non-slip Push Up Bars:Push up bars are made of high quality stainless steel and covered with polypropylene, which is durable, safe and with excellent load capacity, soft and sweat-absorbent. It offers you a comfortable and secure grip. 4.PORTABLE AND EASY TO ASSEMBLE:Ultra lightweight and easy to assemble abdominal exercise roller that allows you to reach your fitness goal anywhere. Perfect for a home gym, but also practical enough to travel with you.