Composition: plastic, wheels in grippy urethane Color: Age: from 7 years old Dimensions of the skate: L 61 x l 17,8 cm Dimensions of the trucks: 10,8 cm Dimensions of the wheels: 6,2 cm of diameter Abec 7 Precision speed bearings, 83A wheels Perfect size for youngers and adults Long enough for stability Controlled ride wheels This is not a toy, it can require adult supervision