From Skip Hop, this book features: Age 0+ 6 pages with multiple sensory activities Crinkle & squeaker sounds Baby mirror encourages self recognition Smooth wooden ring for teething & grasping Translucent rings slide back & forth Peek-a-boo ribbons Stroller ring for on the go Coordinates with Skip Hop Discoverosity collection Size (inches): 5.75L x 5.75H x 2D; (cm): 14.6L x 14.6H x 5D Polyester; wood Spot clean. Do not submerge in water Imported. Designed to encourage sensory exploration at playtime, our Montessori-inspired soft activity book for baby includes multiple textures little hands will love to touch and discover (every page makes crinkle sounds)! Featuring a high contrast black & white palette with pops of primary colors for visual stimulation, we also included a baby mirror, a smooth wooden teething ring, plus more activities for learn and grow fun.