7.8IN Yoga Balls Features: Specially designed for adults: This 7.8IN balls is designed for use by adults, especially suitable for postpartum women for pelvic floor and core muscle recovery training. Enhancing pelvic floor muscle strength: Used for Pilates and yoga exercises, it helps to strengthen pelvic floor muscles and improve muscle relaxation problems caused by childbirth or aging. Portable, compact and easy to operate: With a size of 20 centimeters, it is small and lightweight, making it easy to carry and store, suitable for use in various context such as home and gyms. Strengthening core stability: By adding small balls during training, the difficulty of movements can be increased, core muscle groups can be effectively activated, and body balances and control can be improved. Material safety and comfortion: Made of environment sustainable and odorless materials, with a non slip wake plan to ensure a safe and stable training process that meets the body's needs. Product Description: Product Name: yoga balls Material: PVC Quantity: 1set 7.8IN Yoga Balls Green Balls