Bought in June 2012 and in July 2013 torn (dissolves slowly) Have, because it constantly sunlight falls, specially looking for a UV protection. Have again appointed as the other covers keep only half a year! Schade'll probably have to look any further for the summer 2014th
Update August 13:
dealers have contacted and the def. Goods were exchanged. Hope now that it was ne defective production with the old sleeve? The behavior of the company but is exemplary, it gibts nen Stern and if the shell is even better one;.)