The comforter and matching shams feature SILVERbac Antimicrobial Technology that uses lab-tested, silver-infused fibers to inhibit the growth of odor-causing bacteria. This permanent protection won’t wash or wear away, so you’ll get a good night’s sleep with peace of mind knowing the Martex Purity 300 Thread Count Comforter Set stays fresher longer. The smooth, lofty comforter and shams are made of a 95% Cotton/5% Silver-Infused Polyester blend for ease of care and to maintain a soft feel. Shams feature a side envelope closure to keep inserts snugly in place. For more than 50 years, heritage brand Martex has represented loving families and the brand creates items for discerning consumers who demand high-quality products with style. Martex delivers every aspect of today's happy home, through moments of love, wellness, and inspiration. Machine wash warm, wash with similar colors, only non-chlorine bleach when needed, tumble dry medium, remove promptly, and warm iron as needed.