The Lengthen dimensions : Lengthen to 30 inches in length and 4.33 inches in width. You can put on body wash on it and move it across the back in both directions easily and effectively. Made of Food-grade Silicone: Collapsible, nicely made, great quality and durable. Besides, easy to wash and place. Massage the body and promote blood circulation. Scrubber Efficient Cleanning: silicone bristles on one side, soft and comfortable massage the back to exfoliate, will not damage the skin, suitable for adult, children and elderly.