Blox Racing coilover covers are each made from heavy duty nylon and features hand-stitched hems for additional durability. The tops and bottoms feature elastic hems that help secure the covers around the coilover springs. Fits BLOX Racing Tuner, Competition and Drag Pro Series coilovers or other brands similar in spring diameter. Fits over springs with 2.5" diameter. Length is approximately 11.5" but stretches another 0.5". Available in black or red. Machine washable. Sold in pairs.