This MTB city bike tire is made of butyl rubber and features stab resistant and wear resistant properties. It is available in various sizes including 20X1.50, 14X1.50, and 16X1.50. The tire has a PSI range of 40-65PSI and is suitable for folding bicycles. The weights of the tires are approximately 400g for the 14X1.50 size, 600g for the 20X1.50 size, and 260g for the 16X1.50 size.