Portable Ab Flex Roller is the perfect compact home fitness equipment that will help you strengthen your chest, back, arms, shoulders. •Main features : Various kinds of fitness action, at home, office, outdoors can be used. Super elastic and strong pull rope. Suitable for women and men, shape a perfect body with it. Spending about 10 minutes on exercises every day , Core Double Wheels Ab Roller Pull Rope Exercise Equipment are a versatile, highly effective and inexpensive way to get in shape. Coming with a user manual with detailed fitness action pictures,easy to use. Advantages: Fixed Roller Group with non-slip rubber mat and fixed frame makes the product controllable. Non-slip plate which is made of engineering plastics makes the product durable. Anti-skid bottom with anti-slip texture makes the product stable. Elastic rubber rope combined with the buckle. High strength roller with so many strong points, which designed by Mechanical experts makes the product resistance.