The Etta Loves Sensory Hanging Squares is a triple pack of hanging squares that is perfect for attaching to the baby gym, car seat or pram, making sensory play easy and accessible anywhere. The patterns on the squares have been specifically designed to support babies' cognitive and visual development, and they are reversible for 0-4 months and 5+ months. Made from high quality materials, they are sure to last you through all of your baby's explorations.