Amazonbasic grey bedsheets 100% Polyester Twin XL (Extra-Long) sheet set includes a (1) 66 x 96 inch flat sheet, (1) 39 x 80 x 14 inch fitted sheet, and (1) 20 x 30 inch pillowcase All-around elastic on 14" fitted sheet allows for snug, secure fit of most mattress sizes up to a 16" mattress depth Polyester microfiber material offers strength and durability with exceptional softness