4 Pack Pillow Protectors Standard Size 49 x 70cm Washable Dust Mite Proof Guard 4 Pack Pillow Protectors Standard Size 50x70cm Washable Dust Mite Proof Guard Brand new. Pack of 4 Standard Pillow Size 49 x 70cms (21 x 27?) approx. Help to prolong the life of your pillows. Stain Resistant. Machine Washable. Quick and easy way to help keep your pillows clean.