Baby Carrier Hip Seat Carrier - Newborns Backpack CarrierAs a new type of baby carring product, hipseat baby carrier is different to traditional baby slings and stollers in these following ways: 1. Suiting a long age period of baby, from 4 months to 36 months, from when baby learned to sit to baby walking 2. Wearing this product is comfortable as a kangaroo mama, with no tiring and stressing. Baby sitting in it has a wide view and feel safer, just like a baby kangaroo in mama kangaroo's pocket 3. Multiple