Compatible with - this case is compatible with series 6/SE 40mm & series 5 40mm and series 4 40mm.Easy take on and off - this new design case, easy take on and off and you do not need to take off your watch band.Sensitive Touch - ultra thin tempered glass film maintains watch's original response sensitivity, ensuring quick app launching.Shock-proof & Against Scratches - Made of anti-scratch hard pc and tempered glass, this case covers the full front and curved edges of the watch, offering full protection for your watch against scratches, drops, and bumps.Includes: bulk pack of hard PC cases.