Bolster Pillowcases are the same depth (top to bottom) as a standard size pillowcase 20" (50cm) and then just longer depending on the width of your bed.
Bolsters and Bolster Pillowcases have become narrower over the years, but we have ours made full pillow size.
Bolster Pillow Protectors
Bolster pillows are long pillows that run the full width of the bed and offer a luxurious way to support your head while sleeping.
Where a bolster pillow excels, is that because it runs the full width of you bed, it offers uniform comfort as you move around in your sleep.
The nights when your head dips in between the gaps of traditional pillows will be a distant memory. Some customers prefer bolster pillows simply because they look good.