The material of tail box is black ABS material, this kind of material is very solid. This trunk comes with ware around backrest and functional steel top rack. The trunk is extremely specious and will contain two full-size helmets.
1. Dimension: Inner Dimension: 21??L x 14.5??W x 10??H
2. Outer Dimension: 22??L x 15.5??W x 11 H
3. Top Rack Dimension: 18?? x 9?? W x 1.5?? H
4. Extra large contour cushion backrest
5. Heavy-duty top rack