esr case for surface pro 7 (2019) / pro 6 (2018) / pro 5 (2017) / pro 4 (2015) 12.3inch tablet, multi-angle business cover with pen holder [magnetic lock design] compatible with type cover keyboard esr esr case for the surface pro 6 (2018) / surface pro (2017) / pro 4 (2015) 12.3inch tablet, multi-angle business cover with pen holder [magnetic lock design] compatible with type cover keyboard (black)