Where The Polka Dots Roam XL Twin Gray Chevron Sheet Set Soft Microfiber Sheets For Deep Mattresses 100% MONEY BACK GUARANTEE. NO QUESTIONS ASKED This XL Twin Bed Sheet Set comes with 1 fitted sheet, 1 flat sheet, & 1 pillow case. Does not ball up shrink or wrinkle. BREATHES 50% better than cotton FLEXIBLE Microfiber fit on ALL Mattress Types