Description It is very and won't hurt kids. It can improve the fun for baby. The roller is also an excellent way to encourage crawling. As babies push the roller, they’ll crawl after it. It's perfect for developing necessary motor skills and muscle movements for a happy and healthy baby. Features - Material: PVC. - Size: About 42.00X22.00X22.00cm/16.51X8.65X8.65in. - Inflatable baby roller is made of high-quality PVC material, tasteless, has a leak-proof function, and can safely bite or inflate. - The rounded corners protect your child's precious skin and hands. - You can exercise your baby's limb muscles and coordination skills. - Designed with bright colors, loved by babies. - Lightweight and convenient, easy to install.Package listing: 1 x Crawling Toy