3-Piece Mainstays Comforter Set $20.65November 4, 2026Deals 3-Piece Mainstays Comforter Set $20.65 at Walmart. 100% Microfiber Machine wash cold; tumble dry low Includes 1 comforter (88 in. x 92 in.) and 2 standard shams (20 in. x 26 in.) OEKO-TEX Standard 100 certified and tested for harmful substances Includes a storage bag for easy organization Suitable for all-season use Tags# #ad