Harley-Davidson Young Riders Twin Sheet Set Easy-care cotton rich printed sheets 60% cotton-40% polyester, 180 thread-count. Set includes one Standard Pillow Case (20 x 26 inches), one Twin Flat Sheet (66 x 96 inches), and one Twin Fitted Sheet for a 39 x 75 mattress Made In Pakistan, Sewn in the USA Fitted-sheet pocket accommodates mattress up to 12" deep.