Moby Wrap Baby Carriers are amazingly comfortable and easy to wear! The design of the Moby Wrap uses your entire back, as well as your shoulders, to carry the weight of your baby. Unlike other carriers, which have narrow straps or go across one shoulder, the Moby Wrap is a wide piece of fabric that is wrapped over both shoulders and tied on your waist. There are no buckles, snaps or other fasteners which make wearing simple. The Moby Wrap is long enough to fit all sizes of baby wearers and babies - preemie to 35 lbs. Instructional Booklet Included.