Set Includes Baby Carrier One Air Features Ergonomic and flexible front and back baby carrier in soft and breathable mesh Fully adjustable, so you can adapt it to exactly the right size for you and your baby from newborn Adapts in line with your child's developmental stages in their early years Certified according to Oeko-Tex Standard 100, Class I for baby products Specifications Suitable for children from birth to 3 years Manu Baby Bjorn Baby Carrier One Air-Kids