Special packaging allows these tubs to be shipped via UPS! These 24x40" tubs are made of 22-gauge steel and fit tires between 31" and 33" tall. Tubs come with square beads, and feature Pittsburgh seams for easy assembly. Our exclusive contour tool and photo-illustrated instructions are provided. Tubs are shipped unassembled for low freight and ease of installation. Price is for one pair of tubs.