Handmade Felt Ball Nursery Mobile can keep your baby calm and help your baby fall asleep easily. Helps in baby's Mental, emotional and physical development through high-contrast stimulation and hand-eye coordination. The Colorful Cotton Ball Wool Ball Felt Ball Developing Your Baby’s Eyesight And Hand-Eye Coordination. Help Visual And Early Childhood Intelligence Development. Great gift and perfect decoration to add visual and developmental stimulation to your baby's nursery. This is not a toy, Please keep out of reach of baby at all times. You can hang from the ceiling or you may need to purchase an arm for the mobile. The Mobile Holder For Crib Needs To Be Purchased Separately. DIMENSIONS: Diameter of the top hoop 9 inches Length from the top hoop to bottom about 16 inches Item Weight: 3.2 OZ We are committed to quality products and excellent service: If you are not satisfied with our products for any reason, please feel free to contact us. Love, Aydan