Adorable Baby Socks Rattles for the Developmental of Babies! Specially designed for sensory stimulation. Scientific studies show that bright and contrasting designs catch babies' attention. Infant vision capabilities include color vision for high contrast colors and patterns. Baby Moo's product incorporates all of these scientific findings so that your baby can grow and develop effortlessly, whilst having fun. This baby toy is clever investment for a future baby Einstein. The perfect infant toys gift Our product is soft and easy to put on and remove. Features: > Stimulates the baby's sense of touch and sight > Attracts the baby's attention > Hand washable or washing machine washable on gentle cycle > Made from natural cotton