The Silver Cross Wave Tandem Seat allows you to add a second seat onto the front of your Wave Stroller. All creates a beautiful double stroller, with up to 30 flexible modes to best suit your family as it grows. The Wave Tandem Seat is suitable from 6 months up to 55 lbs which allows families to ride longer. NEW Sustainable Fashions ECLIPSE feature sustainable outer fabrics 2022 Upgrades | NEW Genius? Harness System One motion, backpack style harness for fiddle-free adjusting Magnetic buckle clicks together releases easily?cleverly, as all is child-proof Harness pads provide little riders added comfort Tandem Seat details Faces rearward forward One-handed, multi-position reclining seat is roomy robust Adjustable calf rest integrated footrest for added comfort ? UPF 50+ extended hood with pop-put sun visor peek-a-boo window Suitable from 6 months up to 55 lbs What's included Seat Hood Genius? Harness System Rain Cover Bug Net Bassinet Adapters WEIGHT 9.20 LBS