Lebra 55130801 Mask for Dodge Challenger Protective Air Intake Screens Are An Integral Part Of The Mask, Not Separate, And They Are Sewn Into The Outside Of The Mask So There Are No Loose Pieces Of Material Inside To Abrade The Paint Surface Covered Aluminum Tabs Allow Adjustment At The Fender Wells As Vinyl Expands And Contracts Due To Temperature Micro Perforated Finish On Our Vinyl: It Allows The Mask To Breathe And Permits Moisture Vapor To Evaporate When The Vehicle Is Driven In Wet Weather Heavy Gauge Leather Grain Vinyl Has A Soft, Protective Backing. We Use White Non Woven Fleece So You Can Easily See When It's Time To Clean The Back Side Of The Mask Seams Are Overlapped And Finished With A Strong, Durable Top Stitch. Edges Are Covered With Soft, Non Abrasive Felt Rimmed Bindings