Infant Inflatable Roller PVC Early Development Crawling Toys, with Balls and Bells Push and Pull Toys for 3 Months to 3 Years Old Babies Multipurpose: Early development roller exercises the strength of baby's arms, legs, shoulders, neck and back. Exercise baby's balance ability. PVC Material: Baby crawling roller is made of PVC, which is wear resistant and can be used for a long time. With Balls and Bells: The infant inflatable roller toy has built in balls and bells to get baby's attention. Note: Baby beginner crawling toys does not leak air, please keep away from fire. Specification: Item Type: Baby Crawling Roller Material: PVC Size. After Inflating: Length: Approx. 52cm/20.5in Side Diameter: Approx. 22cm/8.7in Weight: Approx. 267g/9.4in PackageList: 1 x Baby Crawling Roller Note: Please allow some errors due to manual measurement.