Dimension 15" x 12" x 2.75" , Weight 1 lb, 5oz * High density foam contour & support your lower back. One size fits all * Designed to offer a full range of motion while targeting the entire abdominal muscle group * A complete core exercises and training for the Abs, Back, & Obliques * For Speed Cable Jump Rope at super promotion price, check ASIN # B00DFXV3E6