【Fitment】Window Wind Deflector Outside adhensive/ Outside-Mount for 2014-2018 Chevrolet Silverado 1500 / GMC Sierra 1500 CREW CAB ONLY; 2015-2019 Silverado/ Sierra 2500 HD & 3500 HD CREW CAB ONLY, Will NOT Fit Extended or Double Cab 【Durable Material】 Made of high quality modified acylic material, the set of rain guards will not be easy to crack, break, or chip. 【Effective Design】 The window visors are designed for the exact model of each vehicle, which helps reduce interior wind noise and mirror fogging, letting fresh air in and keeping the rain drops out at the same time. 【EASY STICK ON STYLE】IN-CHANNEL STYLE. Use the heat gun or hair dryer to heat the mounting edge after you put on the visors. This is highly recommended and helpful to stick the visors firmly, espcially in cold days.【NOTE】Test fit the visors first to make sure it's the right model before you tape the visors on. 【Warranty & Support】1-YEAR WARRANTY. We strictly followModazoneReturn & Refund policy. Please feel free to contact us if you have any questions, and we will reply ASAP.