Dock Edging Flexguard , White, 5" W X 25' L - Dock Edge. Designed with ribbed surface, this bumper is manufactured from flexible PVC, containing both U.V. Inhibitors and Fungicides. The ribbed reversible surface adds strength and can be mounted with either surface showing. Mount with as large or small a wave pattern as is desirable for your application. Sold in 25’ rolls and 5” width. Available in White.