Material: Aluminum and Plastic. Folding Size:67cmx30cmx16cm Open Size: 100cm x 70cm x 43cm Seat Height: 80cm Wheel Diameter: 6' Brake: front and rear hug brake Net Weight: 5.5KG Gross Weight :8KG Loading Weight : 85KG Accessories: one bag, one mini inflator Container Loading: 870pcs/20 foot container 1803pcs/40 foot container