Keep your growing family together with the Stokke® Crusi™ Sibling Seat. This cozy seat attaches to the Stokke® Crusi™ chassis, allowing you to comfortably stroll with both your children. Now, your little ones can always stay together. Taking a sibling has never been easier. Suitable for children from 6 months and up to 15 kg /33 lbs (single seat).