A true 600 thread count sheet We use only single ply yarn so you can expect a tight weave. It is also made of long Egyptian Cotton Fibres to give you unsurpassed softness.600TC Egyptian Cotton Sateen Hidden Zipper Closure on SideDouble: 80 x 84 King: 100 x 90 Queen: 86 x 90 Super King: 112 x 100 Twin: 66 x 84