Cotton Flannel Sheet Set (White with adorable Gray Cats as shown in pic!) Brand New, in its original package! Sheet Set includes: 1-Twin XL Fitted sheet 1-Twin XL Flat Sheet 1-Standard Pillow Case Fits up to 18" Mattress, fitted sheet has elastic all around for snug fit Machine Washable 100% Cotton Wrap yourself in warmth & softness with these oversized flannel sheets, crafted with a rich 180 GSM cotton flannel fabric.