●The Original Inner Wheel Well Block Offs for Polaris RZR Pro XP - Fits both 2020-21 Polaris RZR Pro XP 2-seat and 4-seat models. We use a UHMW plastic that is thicker, stronger, and more abrasion resistant than our competitor’s Polyethylene plastic. Not to mention, ours are Made in the USA. ●Keeps Mud, Snow, and Water Out of the Cab - DOUBLE OTT Blocks Offs were designed as the perfect puzzle piece to fill in the open gap in each rear wheel well intended for airflow- but if left uncovered, are a direct path into the cab for any debris kicked up by your wheels ●Designed and Made By Drivers in the USA - Our tough, extreme, tests prove to ourselves and our customers that we only sell products with quality design, fit, and craftsmanship; if it won’t hold up or work in the manner we intended, don’t ask because we won’t sell it ●Easy Installation - Installs in less than 2 minutes and can be quickly removed as needed based on conditions; Note: there are 3 existing holes on each side and an optional 4th on the passenger side that can be drilled with a 5/16 inch bit if needed ●Package Includes - A pair of specifically designed 5mm UHMW Block Offs that are both sturdy and flexible, installation instructions, and 7 auto-grade push pins. Weight: 1lbs; Dimensions: 23 x 7.5 x 0.5 in