The Pipsy Koala Baby Reflux Cot Pillow is designed to be used from birth. It helps your baby breathe easier and rest more comfortably after eating. This pillow helps to reduce nasal congestion and acid reflux. Just place the wedge on top of the mattress and fit your sheet over the wedge and mattress. This Reflux pillow is 60cms wide which will fit most standard Cots. Always lie your baby on their back to sleep. Cover is removable and washable.