Cuddl Duds Twin Flannel Sheet with Deep Pockets, 3-Pieces - Tan Flannel Imported Twin Sized Flannel Sheet Sets - Many other colors and sizes are available, please see below. Imported from Turkey. Cozy brushed flannel Machine Washable Cotton Flannel Twin sized set is a 3 piece set (Fitted, Flat, & Standard Pillowcase) Fully-elasticized fitted sheet fits most mattresses up to 15'' deep