Wooden Waist Training Board, Waist Whisper Rotating Trainer, 11.22x11.20x1.77 Inches Anti-Slip Exercise Equipment, Body Sculpting Twist Gear for Arm Trimming and Core WorkoutsLightweight and compact this rotating waist trainer is easy to store or carry making it a convenient fitness accessory for home workouts gym or travel without taking up excess space in your routine Designed for upper and lower body engagement this twisting exercise board strengthens core muscles while assisting in arm trimming leg toning and balance training for a more sculpted and energized body over time