Bed Tite Stretch Fit 300 Thread Count 100-Percent Cotton luxury Oversized 4-Piece Sheet Set with Pillowcases, King, Chocolate Cotton Unique Fabric stretches to fit even the deepest mattress from 7" to 20" thick; Perfect for pillow top, air beds and mattresses with toppers and pads One piece seamless construction has an incredible 15 parallel lines of high-quality elastic built into the head and foot for a secure fit every time Constructed from fine-woven 300 thread-count 100% long staple cotton that has been mercerized for beautiful sheen and extreme softness and durability King sheet set includes an oversized 108 by 104" flat sheet for full coverage; two 20 by 40" pillowcases and a 78 by 80" stretch fit fitted sheet Both the flat sheet and the pillowcase come with a 4-inch turn back hem treatment for a fully finished look; Easy Care conveniently Machine wash/dry