This Quinny Zapp Flex Plus Cocoon is compatible with the Quinny Zapp Flex Plus and Quinny Zapp Flex pushchairs (sold separately). It is easy to use with the pushchair; simply slide the hammock over the pushchair seat and fasten the cocoon section with the harness straps. The pushchair can still be folded while the Cocoon is attached and the top cover can be either partially or fully unzipped when it's warmer outside. Adjust the borders and top cover to ensure a comfortable fit around baby to keep them warm. Colour coordinated blanket can be easily removed during the warmer sea. Use from birth until approx. 6 months old (9kg).