Tentproinc RV Awning Sun Shade Screen is made by premium high-density UV-resistant mesh. How to Choose Your Perfect Fitted Size: Method A: All RV awnings with the standard measurement of CENTER of ARM to CENTER of ARM,please measure your existing awning from center of arm to center of arm. This 8'X12'3'' shade has a finished fabric measurement of 8' drop by 12'3'' length and fit for 13' RV awning.Method B: Measure your awing fabric length and choose same length of our RV shade. E.G. you measured your awning fabric as 12'3'', please simply choose this 8'X12'3'' shade.Features:1. Breathable mesh screen blocks about 86% of sun's light but not you view, dramatically lowering the temperature and creating an extra room to your RV.2. Heavy duty and light weight make it the ideal choice for most brand of RV awnings.3. Shade can be easily fixed by sliding into the RV awning rail with coming poly-cord.4. Keeps your area protected from annoying bugs,harmful sun's ray, wind, rain, making you much more comfortable to enjoy the outdoor time and make you cool Rving!Warranty:Tentproinc provide 3 years limited warranty for RV awning shade, covering fabric, grommets, bungees from manufactures defects (within ASTM spec.); strong wind and rain damage is not covered. Please keep free to email us at tentproinc.com with any questions.Tentproinc provide a variety of conventional drop sizes (from awning track to ground) at 6', 7', 8',9'; width sizes: 7', 8', 9', 10', 11', 12', 13', 14', 15', 16', 17', 18', 19',20', 21', 22' and other customized sizes available on request. Also have a variety of color options: Black, Brown, Gift Blue, Beige.