The package includes: Two colors (blue, yellow). Different colors are used to exercise children's cognitive skills. Simple installation: Easy to install and remove, no screws or tools needed, perfect combination of ring and crib, ring size is suitable for baby's hand, baby's grip is very easy. Easy to carry: Special space saving, can be used not only at home but also while traveling. Convenience: Babies from 6 to 24 months want to stand up straight when lying down or sitting. The baby ring can be placed on the edge of the bed to help the baby learn to stand upright. Even toys and small objects can be hung at the same time. Useful: Develop hand-eye coordination, visual perception, and fine motor skills, improve children's hand flexibility, and help children learn to walk.