Features:-Gives parents the option of four comfortable and ergonomic ways to wear baby: Front-Inward, Front-Outward, Hip and Back carry positions-New, supportive wide waistband and padded shoulder straps provide comfort and evenly distribute baby's weight-Unique, structured bucket seat, baby will always be in an ergonomic frog-leg, seated position with her spine in an optimal "C" position-Structured bucket seat keeps baby ergonomically seated in all 4 positions, with knees even to or above hips, with baby's spine in curved "C" position-Button adjustments let parents adapt the seat width to the baby's size & position-Exceptionally comfortable waistband can be worn high or low on the waist depending on preference and provides extra support for the low back-Can be rolled down for front-outward, or upwards for the inward facing positions to provide extra head, neck and back support for baby-Padded shoulder straps helps evenly distribute baby's weight in combination with the wide waistband to maximize parent comfort-Sleeping hood provides support for baby's head while sleeping, protection from sun and added privacy while nursing-Machine washableRecommended use:-Front/inward (with Infant insert, sold separately): from 0 to 4 months, and from 3.2 to 5.5kg / 7 to 12lbs-Front/inward (whitout infant insert): from 4 to 24 months, and from 5.5 to 12.2kg / 12 to 27lbs-On hip: from 6 to 24 months, and from 7.8 to 12.2kg / 17.2 to 27lbs-On back: from 6 to 36 months, and from 7.8 to 15kg / 17.2 to 33lbsFabric: 100% cotton