BUYER BEWARE. I purchased these pillows for a bed set I purchased from Wayfair. One would assume that King pillows would fit a king sham from the same company, but NOT AT ALL. These pillows are very narrow and do not fit a regular king sham, the material within the pillow, even after 72 hours to breathe, is rock hard and stuck together. I tried everything to break it apart and allow the pillows to expand to their proper size like the instructions laid out, but with no success. The pillows are awful  I won’t be able to use them at all, but because of the return fee Wayfair charges on everything, you’ll find zero point in trying to return. Absolutely and completely disappointed and will NEVER buy pillows from here ever again. DO NOT BUY THESE.