Box Edge Construction: 2” gusseted edge provides an even sleeping surface for improved support and neck alignment. 260 Thread count. 100% Cotton: encasing. Machine wash and dry or have professionally cleaned / Filling completely re-lofts after washing. Hypo allergenic, synthetic microfiber filling naturally resists bacteria and other allergens. Guaranteed against manufacturing defects for 1 year & OEKO-TEX standard 100 certified.