Serta Perfect Sleep Crib Wedge helps safely elevate baby's head and torso. Ideal for babies with acid reflux or congestion. Fits all cribs and toddler beds. Easy to wipe clean. Features counting sleep embossed design. It comes with a Sheep Sound Soother. This endearing character is super soft and features 6 lullabies, nature, and womb sounds . The Cry Activated Module turns on your last setting when baby wakes up. The hook and loop strap lets baby take this soft and cuddly companion on the go. It conveniently hooks on cribs, strollers, car seats, bassinets, playards, and more.