This carrier is suitable from 3.2kgs/7lbs till 20kgs / 44lbs and every stage in-between. Simply slide the height and width to the correct size, so it grows seamlessly with your baby.The shoulder straps can be worn straight down in an ‘H’ or crossed like an ‘X’. Shell and lining are made of certified organic cotton and ensures safety and comfort for your child while keeping it as sustainable and gentle on our planted as possible.  All of our products are UK/EU safety standard approved EN-1309-2 2005. Wash your carrier at max 30°C, on a gentle cycle with a low spin. Try not to machine wash frequently. Spot clean when possible. Do not tumble dry. Safety standard approved and free from harmful substances (EN 13209-2:2015). Smallest size:17cm at base, 24cm tall.Biggest size:45cm at base, 40cm tall.