Luxurious pure 100% long-staple cotton woven at 608 thread count. Exceptionally crafted in California of imported fabric, these sheets are considerably larger on both the Fitted and Flat Sheets, tailored to fit mattresses up to 22"" deep. Available in both, Damask Stripe 1cm and Solid Sateen. Oeko-tex Standard 100 certified. Tested in an independent lab and verified to be safe from over 1,000 harmful substances [ #BJ015 161211 | Testex ]