The Dual Wheel Abs Wheel by Athletic Works is a 7-inch diameter core strength trainer designed for abdominal training. Made of durable plastic in yellow and black colors, this portable unit is lightweight at 1lb.5oz and easy to use at home or in the gym. With a 10" length and height, this versatile fitness tool helps to strengthen and tone your abdominal muscles effectively. Ideal for those looking to improve their overall fitness and build a stronger core, this Abs Wheel is a convenient and effective training tool.