BioPEDIC Sleep Styles Firm Density Gusseted Sidewall Bed Pillow, King, White, 2-Pack Designed to custom fit the styles and needs of the individual for a better nights rest Firm Density has a 1.5" green gusseted sidewall designed for the back sleeper; Strong double stitched seams engineered for superior strength Constructed with a 220-thread count 100% cotton shell for breathability and comfort; naturally hypo-allergenic for the sensitive sleeper Filled with Soft loft polyester plush fiberfill to create a pillow that stays lofty and is designed to not go flat King size measures 20 x 36"; BioPEDIC Sleep Styles medium and extra firm gusseted sidewall density pillows also available thru Amazon