Special packaging allows these tubs to be shipped via UPS! These 24x40" tubs fit all tires between 31" and 33" tall. Tubs come with square beads, and feature Pittsburgh seams for easy assembly. Top quality .032"-thick aluminum material is covered with PVC sheet (easily removed after installation) to protect the finish against scratching. 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.