It can be used in the crib, cot, car, playground, or from the parents' bed. The sponge inside can be removed and washed. The small head pillow can also be used. It can be made smaller by tightening the cords. It surrounds the baby and allows him to sleep comfortably. It surrounds the baby and allows him to sleep comfortably. It's like a little nest. Side sleeping pillows allow your baby to sleep safely.