Baby trainers resale store! What are the Types of Carriers? Most parents swear that baby carriers are a lifesaver, so you really can’t go wrong adding one to your registry. Baby carriers come in three styles: Wraps: A super-long piece of stretchy fabric you configure and tie around your body, usually over your shoulders and around your mid-section, to create a carrier. Slings: A wide piece of fabric that goes over one shoulder and across your torso. Structured Carriers: More like a backpack with straps over the shoulder and a padded carrying “pack” that can be placed on your chest …