Focus on your core and improve the strength and endurance of your abs, arms, back and shoulders with the Viavito ab exercise wheel. This fantastic little trainer features an easy-glide dual-wheel design for an ultra smooth action and significantly reduced \'wobble\' helping you to stay balanced allowing you to concentrate on getting the most out of each repetition. Fitted with a steel rod for added durability this is one of the toughest and smoothest ab wheels out there. Also included is an ultra thick 1.5cm knee pad which is made from high-quality NBR material of the kind found in many yoga and pilates mats. The knee pad provides a soft and comfortable non-slip surface to workout on. Without the discomfort of bruised knees, you\'ll soon be working out for longer and reaching your goals faster. This amazing little training aid is compact, tough, and quiet while the ergonomic foam handles guarantee excellent grip at all times, no matter how much of a sweat you build up. Ideal for users of any age or fitness level.