1、Comfortable non-slip handle: our AB abdominal roller is soft and elastic with thick rubber foam. Home exercise equipment minimizes hand fatigue and prevents skidding even in the most sweaty activities. In addition, comfortable knee pads can give you a better fitness experience. 2、Safety and stability: AB wheel bearing roller wide and thick, good elasticity, wear resistance, good pressure resistance, no noise. Abdominal exercise equipment for the rear wheel anti-slip strip, wear - resistant and anti-slip. ABS roller with removable bearing solid nut, strong material, safe and practical. Independent braking system can significantly improve the safety of training, and can carry out various kinds of training in different ranges according to needs. 3、Ergonomic three-wheel system: triangular structure provides good overall rolling stability. Perfect fitness system for beginners and advanced use of challenging changes in difficulty. 4、High quality materials and sturdy construction: the core fitness equipment has good carrying capacity and can support 400 pounds. Unlike other inexpensive AB rollers, this engraving system is made of a solid material. In addition, AB abdominal roller adopts thick stainless steel material, solid carbon steel, built-in thick alloy steel pipe, to improve the bearing capacity. 5、Perfect for home fitness equipment: high-density fitness foam knee pads include comfortable workouts at home. Strengthen and tone your entire body by hitting your abs, core, trunk, shoulders, arms, upper back and lower back. 1 x Abdominal Exercise Roller Wheel 1 x Mat 1 x Mounting Holder Condition: 100% Brand NewItem Type: Abdominal Exercise Roller WheelMaterial: Aluminium AlloyColor: As Pictures ShownOptional Type: Four wheels (without brake pads) + kneeling pad (color box packing), Four wheel (with brake pad) + kneeling pad (color box packing), Three wheels (without brake pads) + kneeling pad (color box packaging), Three wheels (with brake pads) + kneeling pad (color box packing), Black pull rope, Brake padsSize: Approx. 33x22x13cm/ 12.99x 8.66x 5.12inch