Use this ab roller from the Davina range to tone abdominal muscles as well as strengthening oblique and core muscles. It features integrated head and arm rests and a mat to provide extra comfort and support on hard floors. The ab roller makes it even easier to add a new exercise to your home workout. Ab roller for core strengthening. Tone abdominal, oblique and core muscles. Mat provides comfort and support on hard floors. Size H60, W70, D70cm.