I've got two extra large 80 cm x 80 cm x 15 cm (31 in x 31 in) pillow covers available. Colour of these is blue.
 
Extreme Pillow Protector is a pillow case made of Opalo fabric! You can slide your pillow inside throught the zipper on the side.
 
The Opalo fabric used here is
very shiny
super sturdy
easy to keep clean