QFX1023 Features: * Balance board * Non slip surface * Solid pivot point is ideal for beginners to advanced users * Strengthens hamstrings, quads, gluts and calves * Potable and lightweight * Low-impact workout tool designed to help improve your overall fitness, agility and core strength * Constant motion of the board will challenge and engage every muscle that giving you more definition while burning calories * Perfect tool for workouts at home or travel * For home use only Dimensions: * Dimensions: 3.15"" H x 15.55"" W x 15.55"" D