The Dock Edge Fender Cover has been third party tested for durability, outperforming competitors in six out of seven industry standard tests, including wicking, UV resistance, and color-fastness. CMP fabric stands out for its exceptional performance, proven resilience, and color retention, making it the ideal choice for marine applications where durability is paramount.• Dual layer construction for superior abrasion resistance• Black and blue reversible fabric• Highly durable, colorfast, water-repellent, and antibacterial• Extended reliability and life span due to consistent high UV resistance• Extremely durable double cord lock with heavy-gauge elastic cord• Stretch and fit ensures a snug, secure fit• Dry-wick fabric for quick dryingMedium Cover fits 8.5" x 27" twin-eye and 8" x 20" center-hole fenders. Extremely durable double cord lock with heavy-gauge elastic cord Stretch & fit ensures a snug, secure fit Medium Cover fits 8.5"" x 27"" twin-eye & 8"" x 20"" center-hole fenders | Dock Edge Medium Reversible Fender Cover, Black/Blue