Material: polyester fiber Size: 15*16cm Style: 3 styles 1.The contents of the baby's learning books contain 12 kinds of cute animals. The baby knows them through animal images and vocabulary, which makes the baby like to touch their wrinkled materials and turn pages, which helps the baby learn different types of words and colors, thus improving his language and communication skills and contributing to brain development. 2.Sensory books for babies has rich auditory and tactile experience and is more popular with babies. Each page has interesting content. The page has a built-in rattle and BB device, which can make a sound to attract the baby's attention by shaking and squeezing it, or it can make a rustling sound by turning the page. Textured 3D animal limbs help your baby develop their senses while they experience different tactile sensations and have fun 3.Baby cloth books are helpful to the baby's visual development. At about 3 months, your baby can only see black and white, and is interested in colors. Until the baby is 6 months old, it can already distinguish high contrast black and white, especially when the two colors appear at the same time, which can attract the baby's attention. 4.The baby's health is a top priority for parents. Baby book is made of safe and reliable BPA-free polyester material, which is odorless, soft and skin-friendly, with tight stitches, no tiny or loose parts, tear-resistant and prevents accidental eating. Colors and patterns are not easy to fade, but can be preserved by quick washing, so you don't have to worry about the material safety of baby soft books anymore.