The ip op evolution offers sleek design and precision engineering to make every journey easy and comfortablethe ip op evolution combination includes the chassis carrycot a lie flat and reversible pushchair seat and a raincover that fits the carrycot and seat the chassis has a one handed folding mechanism and folds to a very compact sizefor a complete travel system the bebecar easymaxi infant car seat sold separately is available in matching fabrics and will fit the chassis without adap