Linen Pillowcases With Flange, Oxford Pillowcase Set of Two, Natural icon X "Close (esc)" Linen Pillowcases in Every Style Linenforce Prism Quilted Nude Pillowcase Adairs. These elegant flanged linen shams are made from the highest quality French flax fiber, making the vintage linen shams pair luxurious not only to the eyes but also the touch. Flax fiber is the most natural alternative and is famous for being anti fungal, anti bacterial, and hypoallergenic. These pillow slips are also created to better absorb moisture, allowing them to better regulate air and temperature. This vintage washed linen pillowcases pair is sure to be the perfect resting place of your weary head after a long day.