Oyster 4 Tandem Seat – Second seat for the Oyster 4 strollerThe Oyster 4 Tandem Seat transforms your stroller into a practical and versatile solution for two children. Designed for twins or siblings close in age, it offers a fully functional second seat without the need to purchase a new stroller. Key Features Suitable from approximately 6 months up to 15 kg 3 reclining positions with easy one hand adjustment Extendable UPF 50+ canopy with ventilation Five point safety harness with magnetic buckle Adjustable