Comfortable baby carrier with airy mesh material and adjustable lumbar support. - Brand: BABYBJÖRN - Model Name: Baby Carrier Harmony - Material: Airy Mesh - Age Range: 0-3 years (Weight 3.2-15 kg) - Features: Ergonomic design, adjustable lumbar support, multiple carrying positions I have opened the box, but I have another baby carrier that I use, so I have never used this one. Thank you for looking.