It?s simple. The baby parka stroller cover will keep your little one warm during the colder months. It is designed to fit from new born to 4 years. Feed stroller straps through the seat belt slats of the the stroller parka to secure unit to your stroller. This cover works with a 5 point harness system. Features include: centre zipper, boot zipper, bungee cord system for adjustability, reflective tape and triple layered.