Sizes are Width
xHeight
in centimeters when looking at the sleeves in portrait.
These were measured with actual sleeves used on actual cases/box-sets. All sizes
listed exclude adhesive flap's. I.e., if the sleeve has no flap and is a sort of
slip-in sleeve, then it will cover the DVD case just enough.
When buying sleeves, make sure that you initially exclude the flap's measurement.