Product Features: Condition: 100% new Length: 16" / 400mm Color: Black Material: Soft Rubber + Plastic + Steel sheet Compatible: For Audi A4 Avant 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 Package: 1 x Rear Wiper Blade Attention: Please check your rear wiper blade joint type and length before purchase How to install: 1.Insure that the surface which the product is to be applied is clean, dry and free of all ail, grease and wax. 2.Take off the original wiper blades. 3.Open the hook of the wiper blade. 4.Fit the wiper blade on the hook. 5.Pull the wiper blade up,make the hook and the wiper blade connect tightly. 6.Close the hook of the wiper blade. 7.Do not move the product or wash your car in 24 hours after installation.