The black-white-red color combination design is beneficial to the baby's visual development, while stimulating the baby's brain development; Double-sided bed surround design, you can use the black and white baby soft book as a baby reclining pad, let your baby flip through the black and white baby book with your fingers, and exercise your baby's hand-eye coordination and grasping ability; you can also tie it on a crib to train your baby to look up ability to move the baby. The bed surround book is made of sturdy fabric material, even if the baby scratches and bites, the baby's toys of 0-12 months are not easy to be damaged, and it is very sturdy and durable.