Woven from 100% Organic Cotton270 Thread Count Cotton PercaleLong staple cotton fibers offer unparalleled quality and longevitySTANDARD 100 by OEKO-TEX® certified. Certificate Number: 15.HIN.75800/ Testing Institute: Hohenstein HTTI; made without the use of harmful chemicals or pesticidesDuvet includes button closure and corner ties to keep comforter in placeNamed "Best Cooling Percale Sheets" by SleepFoundation.orgUnlike the sheen and silky feel of sateen, percale offers a cool and crisp hand feel that regulates air flow and improves breathability - even for hot sleepersMade with Green energy using power generated by Windmills and processed with reverse osmosis water purifying methodComplete your bedding refresh with a new duvet insertCrafted in IndiaOrganic100% cottonBest In Class Quality Classic Organic Percale Duvet Cover