FITTED SHEETS REDEFINED: QuickZip is a patented, 2-part fitted sheet that is convenient, comfortable & hassle-free in every way imaginable; Placing or changing fitted sheets on & off the mattress will never be a struggle again WON’T POP OFF: The fitted sheet base is open on the bottom and snugly hugs the sides of the mattress, with the proprietary SuperGrip Corners keeping it firmly in place; Deep pockets (15”), durable continuous elastic, fits ONE Twin XL mattress up to 80” x 39”. For Split King, add 2 to cart. SWIFT ACTION ZIP-ON SHEETS: The Zip-On Sheets can be easily zipped on & off the fitted base with the help of a sturdy YKK zipper that stays hidden out of sight; This Twin XL sheet set includes two 400 thread count long-staple premium sateen 100% cotton Twin XL zip-on sheets that are OEKO-Tex Certified. Does NOT INCLUDE flat sheet or pillowcases. EASY TO CLEAN, CHANGE & FOLD: Unlike age-old fitted sheet sets that are incredibly cumbersome to change & wash, QuickZip’s Zip-On Sheet comes off with a swish of the zipper; Extremely easy to maintain, change, wash, fold & store MADE WITH YOUR COMFORT IN MIND: QuickZip Fitted Sheets are particularly useful for people with difficult-to-reach mattresses on corner beds, bunk beds, daybeds, lofts, adjustable beds; Click ‘Add to Cart’ to order today