The perfect from-birth buckle carrier for the first year until walking age, the Izmi Baby Carrier (7-33lb) is light and sleek with the closeness and feel of a fabric sling, and an adjustable width, in the Essentials range (made from polyester), the Cotton (with storage bag, chest strap for back carries, infant booster cushion), and the Toddler size with a more padded waistband, adjustable to fit from approx 9 months (8kg) to age 3/4 (27kg)