Features Precision-Fit corners and a 1″ elastic cuff on the fitted sheet for a clean, crisp fit that won't slip off your mattress, enveloping pillowcases to keep your pillow secure, and an additional 4″ width to the flat sheet for complete coverage. Ideal for adjustable base or standard mattresses up to 18″ deep. Naturally sustainable, PureCare Elements Rayon Derived From Bamboo sheets infuse rayon made from bamboo and luxury staple cotton to create a durable, moisture-wicking sleep surface. Featuring a pinstripe pattern and a sateen woven blend of long staple cotton and rayon derived from Bamboo blended fibers, PureCare Elements sheets provide a lush feel and long-lasting comfort. PureCare's entire collection of sheets bear the Women's Choice Award seal. Enjoy the rich comfort and the soft feel of rayon derived from bamboo sheets with terrene part of the premium PureCare elements sheet collection. Terrene sheets infuse rayon derived from bamboo and luxury staple cotton in a premium sateen weave, offering a gentle and rich comfort. Our sheets feature custom construction including pocketed precision fit corners for a clean, crisp fitted sheet, a thick 1 inch elastic cuff on the fitted sheet that prevents your sheets from slipping off of your mattress (making them ideal for standard or adjustable bases), a generous 8 inch pocket on each pillowcase, and an additional 4 inch on the width of the flat sheet for complete coverage. These PureCare sheet sets feature a sateen weave. All sheet sets fit mattresses up to 18 inch deep.