Features -Color: Assorted color. - Material: Cloth. - Size: About 10.00X10.00X2.00cm/ 3.93X3.93X0.79in. - Repeatedly wash them with water, safety, no fading, and no peculiar smell. The pattern color is full and distinct. - The cloth books can not be damaged by biting and tearing. Exquisite workmanship makes them safe, environmentally friendly, odorless, and comfortable and no easy to deform. - Built-in rustling paper, when the baby grasps, the cloth book will make a rustling sound, attracting the baby's attention and stimulating the auditory development. - The different shapes, materials and colors of each cloth book attract the baby to touch and pinch, stimulate the baby's imagination, and stimulate the baby's visual perception with colorful colors. - In combination with the physiological development of the baby, different feel fabrics are selected to exercise the multi-dimensional cognition of the baby's hands, eyes and ears, to enlighten infants' thinking, to exercise the baby's grasp and hold, and to hold the baby during the critical period of growth.