Bluerise Multifunctional Ab Roller Wheel for Abdominal Exercise Power Roller Ab ♠ Before using the product, be sure to adjust the bottom adjustment button!!! (Compare our tension meter): Ordinary fitness users (one-handed force reaches 22lb): this is a pull adjustment button, the more buttons, the greater the power required Professional fitness users (single hand force exceeds 22lb): this one length adjustment button, the more buttons, the shorter the stretched length. ♠ Description of bottom buttons:At the first notch, the tube is 60cm and allows a maximum extension of 150cm. At the second notch, the tube is 50cm and allows a maximum extension of 125cm. At the third notch, the tube is 40cm and allows a maximum extension of 100cm. ♠ ADOPTING PP MATERIAL:this material has toughness and strong impact resistance, non-toxic and tasteless, and has a great bearing degree, so it is not easy to be deformed. ♠ SAVE MONEY: If you want to save money on a gym membership or need to fit in a fast workout, our ab work out equipment is the ideal gym equipment for home! The non-slip rubber wheel roller securely grips any floor type, and the handles have soft padding for total comfort. It is the perfect training equipment for your home gym! ♠Mainly exercise abdominal muscles. Please use the product according to your height and the length of the tensioner, otherwise t will be a risk of breakage!!! ✯At the first notch, the tube is 60cm and allows a maximum extension of 150cm.✯At the second notch, the tube is 50cm and allows a maximum extension of 125cm.✯ At the third notch, the tube is 40cm and allows a maximum extensio 1. Ab roller is one of the simplest and fastest home fitness equipment, it can help you mainly exercise your abdominal muscles, or simple training of other parts.2. The Ab Roller is so easy to use and delivers excellent results which make it ideal for both beginners and more the experienced. ust 10 minutes a day, Develops your chest，back，arms，shoulders and abs in one movement, shapes your body quickly and easily without effort. ●Material:ABS+PP ●Size:17.2x7.6x5.2inch ●Weight:1.1kg ● Color:Green and Black ●Function:Body Muscle Tranning 1.Bungee cord：This material is characterized by softness,strong resilience, wear-resisting, good comprehensive performance and high strength. It will not be affected by the strength, your safety. 2.Roller and the base:Adopting PP material, this material has toughness and strong impact resistance, non-toxic and tasteless, and has a great bearing degree, so it is not easy to be deformed. 3.Handle: it Using ABS material, the material has stronger impact resistance, delimit, dimensional stability, moisture-proof, non-toxic and tasteless, is also a good insulator, give u a good product experience, and your safety. 4.Different buttons can adjust the strength of the size, the more the number of buckles will cause the greater power needed, eliminating the size of the restrictions. Ab roller*1 Cold towel*1 bag*1 Payment DetailsWe currently accept payment via PayPal only. Once payment is cleared, we will dispatch your shipment within 1-3 business days. Please refer to the "Shipping" tab for more information regarding shipping speed to your destination.Return PolicyAs our valued customer, we will do our best to make sure the product you receive arrives to you on time and as expected. If you are not satisfied with your purchase, please contact us within 30 days of receiving your order to process a return.