Buggy recommended minimum age new born pushchair weight 7 kg frame material aluminium carrycot pushchair seat backrest 4 positions brakes locking brake harness system 5 point safety harness slider adjustable folding mechanism collapsible wheel settings swivelling lockable wheel type solid rubber tyres number of wheels 4 safety bar without bumper bar footrest adjustable dimensions 108 x 28 x 35 cm colour black included in delivery canopy shoppi