The Most Versatile Carrier™. A lot of time and effort goes into designing our carriers. We spend hours with our test moms and babies. We ask them what works. We watch what works. And the results—we believe—the most comfortable carriers anywhere. Baby Faces In or Out Backpack Option makes it comfortable to carry a bigger baby For use in Car Seat, Chair, or Shopping Cart Removable straps allow mom to put a sleeping baby in a car seat without disturbing baby's nap Turns most chairs into a baby seat Fits in a shopping cart so baby is comfy and secure For babies 8-35 lbs 3.6-15.8 kgs