Features:

4 ways to carry: facing-in infant, facing-in older child, facing out and backpack
Carry children from 8-40lbs, 3.6-18.14 kgs
Firm, adjustable head support
Extra-padded shoulder straps
Wide, weight-transfering waistbelt
Soft, quilted fabric is machine washable
Adjustable seat converts to provide knee-to-knee support from newborn to toddler