1,Made of , dust-proof and moisture-proof EPP foam, the medium-hard massage roller is comfortable. 2,Lengthened and widened, the hardness is greater, the carrying capacity is greater, the massage range is wider, and the massage effect is better. 3,Multi-zone massage, self-massage roller specializes in massaging neck, arms, calves, achilles tendon and back to relieve muscle pain. For example, it can relieve neck tension and resist headaches. 4,In addition to massage, it is also suitable for training and inspiring connective tissue (facial training), promoting the supply of fascia, improving muscle efficiency and regeneration. 5,Effectively relax the muscles, you can massage the arms, neck or feet, and you can perform a simple self-massage on the connective tissue. Condition: Item type: Massage Yoga Ball Material: EPP Size: Approx. 24x12cm/9.4x4.7in 1 x Massage Yoga Ball Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin