Preparing to welcome a little one into your family? Attach this innovative cot to your Joolz Aer and voil! Your buggy is ready to carry your baby from birth to toddlerhood. With the cot attached, your Joolz Aer is still compact and just as easy to use. You'll see, they'll love chilling on the comfy, breathable mattress with plenty of fresh air provided by the ventilated, extendable sun hood. Above all, you'll be amazed by its unique way of folding. No need to remove the cot, just fold it down nic and flat for easy storage. It's as compact as it gets without compromising on comfort.