Introducing the Hudson Baby Infant and Toddler High Contrast Silicone Flash Cards, a perfect way to help your baby develop and strengthen their eyesight during their first 5 months. These flashcards feature high contrast black and white designs, which are visually stimulating for infants. Made with BPA, PVC, and phthalate free silicone, these flashcards are safe and durable for infants and toddlers to use. The compact size of the flashcards makes them perfect for on-the-go entertainment and they can be used in a variety of settings.