You can use abs wheel to burn fat and build muscle.
The anti-slip roller is stable and won't damage to wooden floor surfaces and carpets.
There are collodion handle and sponge,which make you feel comfortable to hold.
The abs wheel is detachable,so its easy to install.
Due to the wheel width is about 7in,so the wheel increases its balance and stability.
Material:ABS + steel + plastic PVC.
Size:30 * 16CM / 11.81 * 6.30in.