Abdominal exercise machine / flat support machine in one: scientific force, automatic , easy to use. Five layers of anti- materials, anti-noise and wear-resistant: anti- layer, reinforcement layer, shock absorption layer, noise reduction layer, support layerAutomatic design: our ab roller with automatic technology, automatic intelligent auxiliary brake, built-in brake system, more smoothlyDouble wheel design: This exercise abs roller has a front and back two wheels for rolling and better control. It helps you work out every muscle and in your core and at the same time provides control of your body, especially for beginnersEXCELLENT WORKMANSHIP: This rebounding roller is made of stable, -friendly plastic with sponge grips that are non-, sweat-absorbent, comfortable, fade-resistant, durable, 't make noise or scratch the floor, and provide GROW 6-PACKS FASTER AND : The abs roller kit helps men and women burn fat faster and sculpt your 6-pack This roller is specifically designed to tone your body This roller is designed to tone your mind and body so that you are stronger, more confident, and shine from the , wherever you goMaterial: plasticcolour: orangePackage Contents: 1 x Abdominal exercise rollerOnly the above package content, other products are not included.Note: Light reflection 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.