Home Flannel Twin Flat Sheet Large Plaid Burgundy Beige Brown Cotton 63"x86" $16.99. Top Rated Plus. $14.20 shipping. Type: Flat Sheet. Guaranteed by Tue, Jan 7. Size ... Mellanni Queen Flannel Sheet Set - 4 pc Luxury 100% Organic Cotton - Heavyweight 180GSM Bed Sheets - Cozy, Soft, Warm, Breathable Bedding - Deep Pockets - All Around Elastic (Queen, Gray) The Flannel Flat Top Sheet is generously sized at 79"L x 53"W and accommodates all standard-sized massage tables. This sheet is completely machine washable and comes in a variety of fun colors. Features and Benefits. Sourced from 100% double-brushed cotton flannel, this sheet is durable, soft, and extremely comfortable Whisper Organics 100% Organic Cotton Flannel Flat Sheet with Single Pillowcase, NO Fitted Sheet - GOTS Certified (Twin, White) 5.0 out of 5 stars 3. $46.99 $ 46. 99.