STANDARD 100 by OEKO-TEX® certified. Certificate Number: 15.HIN.75800/ Testing Institute: Hohenstein HTTI; made without the use of harmful chemicals or pesticides. Sheet Set (with flat sheet) includes: fitted sheet, flat sheet, and pillowcase(s) (1 standard included in twin size, 2 standard included with full/queen, 2 king included with king/cal king) Fitted Sheet Set (without flat sheet) includes: fitted sheet and pillowcase(s) (1 standard included in twin, 2 standard included with full/queen, 2 king included with king/cal king) Fitted sheet fits mattresses up to 16" deep Fitted sheet features "top" and "bottom" labels for added ease when making your bed and has elastic all the way around Single needle stitch cuff detail on flat sheet and pillowcases Named "Best Cooling Percale Sheets" by SleepFoundation.org Unlike 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 sleepers. Made with Green energy using power generated by Windmills and processed with reverse osmosis water purifying method Complete your bedding refresh with new pillows Crafted in India Liquidated returns. I will point our any defects or if item looks launderd.