... operation in both stroller and tricycle modes12.Wheels: 16"aluminium alloy wheels, two front wheels-removable, single side hub ... 600D poly nylon cloth. Environmental, Waterproof, non-flammable and Removable for easy cleaning.17.Bell: aluminum alloy18.Colors: Green, ... Conversion time: 20 seconds25.Certificate: CE, BAA, EN14184, and EN7126.Carton size: 107x28x68cm27.Packing: Bubble pack+Polybag+cardboard ...