The Original PeachSkinSheets® Separates are 1st quality individual sheets, so that you may "Build Your Bed," purchase replacements, have extra pieces on hand, or even use as extra fabric to make matching dust skirts, window treatments, etc. Like our complete sheet sets, they feature the ultra-soft luxurious feel of 1500 threads per square inch. A fitted sheet includes one first quality Deep Pocket Fitted Sheet for mattresses up to 18" thick including memory foam, custom number and double pillow top heights.