You can't go wrong with the blue case This Y21 / Y21s / Y33s case not only protects your smartphone from dust and scratches. The classic look of the Bookcover Series in blue also looks good. Inside the Y21 / Y21s / Y33s case are card slots for your most important credit cards and even an extra pocket for banknotes. The Y21 / Y21s / Y33s phone case closes easily with the magnetic closure. The 3-point openings of the Classic II Bookcover Series cell phone case stand for good listening. In addition, this Y21 / Y21s / Y33s case also works as a stand for horizontal viewing. The camera and all ports can of course still be used.