These are new in the package. 2000-thread-count cooling sheets. Their Nanotex wicking technology is designed to pull moisture away from the skin to the exterior of the fabric, helping you feel cooler and more comfortable throughout the night. Nanotex wicking technology Twin sized: Flat 75" x 99"; Fitted 39" x 75" x 12-1/2" pocket depth; 2 Pillowcases 21" x 31" 52% cotton/48% polyester 2000 thread count Machine wash/tumble dry REF# 53750