Whisper Organics Undyed Organic Cotton Flannel Pillowcase Set, Queen (???) three

Lot of 3 Whisper Organics undyed organic cotton flannel pillowcases, queen (???) size. These have been washed in my homemade, non-toxic, essential-oil-free, fragrance-free laundry soap with vinegar as a rinse aid, but I never actually used them- they're too small for our pillows! Yes, I am indeed a genius. I'm repeatedly measuring these as 20" by 25.5," which don't line up with the companies listed sizes online. So perhaps these were erroneously manufactured. I'm not sure! From a smoke-free, fragrance-free home with a feline.