THIS BED IS VERY GOOD FOR YOUR LITTLE ONE. IT HELP WITH COLLIC THERE 'S SMALL SAC WITH SOME SIDE PUT YOU BABY TO SLEEP ON THE BELLY& HE OR HER WILL BE SLEEPING FOR OURS .YOU CAN ALSO PUT IT ON YOUR BED NEXT TO YOU ON YOUR BED OR IN THEIR CRIBS.LOVE THIS PRODUCTS YOU KNOW HOW MUCH...