Use from newborn to 3 years old. Carry your baby hands free. Encourage child parent bonding. Breastfeed with complete discretion. Soothe colicky or fussy babies. Reduce crying by up to 50%. Use 6 different carry positions. Wear your baby in style. With a handy pocket for nappies, wipes, bottle, mobile.... Mix of cotton and linen. Machine washable. Every sling comes with an instructional DVD with detailed videos to follow.