Stay Put Big Girl and Boy Bed - Semicircle Bed Rail Bumper Pad for Toddler, Garden, Lawn, Maintenance Helps keep children from rolling off their beds More secure and safer than pillows Easy to install and only require placing the pad on top of the mattress pad and below the fitted she Place the pad where you need and forget about it, the foam will stick to the mattress pad and will n Safety - The foam pad goes under the fitted sheet so the child cannot become entrapped