This is a hip-carrying carrier. It's terrific. I started using this when my son was walking and about 25 lbs. He is now 34 lbs, and I can still wear him comfortably for short distances. I only wish I had discovered it sooner!
It is the only hand-free hip-carrying carrier out there that is this comfortable! Though I do use other carriers, this carrier is great when you want your baby on your hip, at your side. This was useful for those times when I still needed to carry my son, but he started getting too heavy for front carrying in my other carrier and when putting him in a back carry was a little too complicated to do alone.
It was also great because I could maintain eye-contact with my growing-into-toddlerhood son and continue to engage him when carrying him.
Since most have other carriers already, this is a great gift for those with babies who are at the cusp of walking. It's also a great gift for non-newbie parents because they will REALLY appreciate how much this will save their arms and backs.