IDEAL FOR INFANTS WHO USE CRIB Our incline crib wedge fit all US standard cribs,can be placed under the bedding mattress which raises the angle of your baby’s head to allow baby to rest in an optimal place. Never again will you have to worry about the danger of your baby getting choked while asleep due to wrong way. This crib wedge is the best solution to solve your baby sleeping problems,help them sleep better! WHY CHOOSE AURELIUS CRIB WEDGE? △The 12 degree angle is recommended by pediatricians for newborns, help to baby's healthy sleep,Reduces nasal congestion caused by colds and flu as well as discomfort caused by acid reflux by gently raising the baby's head to optimum height △we refused to adopt PU waterproof fabric like others' offer,the airtight cover lead to bad air breathability of inner foam,easy to cause heat & peculiar smell,instead we adopt 100% organic cotton to wrap the inside foam,assures air great ventilation throughout the night △The foam memory crib wedge fit most USA standard size toddler bed and crib sheet △Easy to clean spit-up, drool or have a diaper leak,cotton sheet is convenient to wash △Safe with no BPA, phthalates, formaldehyde, lead or PBDEs (flame retardants) △Come with a portable bag,make carry and storage easy △Perfect gift for new parents who have babies INSTALLATION INSTRUCTIONS: Place the wedge at the head of your child’s bed or crib mattress and cover with a fitted sheet. Ensure that baby’s bottom is on the mattress,with back and head on the wedge for elevation. 100% SATISFACTION GUARANTEE We're sure that you will love our Crib Wedge. If not satisfied after use it within 90 days,you can return it for full refund,no questions asked.