Royal Hotel Full/Queen Sage Silky Soft Rayon from Bamboo Duvet Covers 100% Viscose from Bamboo Duvet Cover Sets 100 percent Viscose from Bamboo Duvet Covers. The softest fabric in the world, noticeably softer than cotton Extremely comfortable in all temperatures. Perfect for people with allergies & chemical sensitivity Bamboo is highly resistant to dust mites and grown without pesticides, Amazingly soft similar to cashmere of silk Full/Queen set includes 1 Duvet Cover 90X92" w/ Button Closure, and 2 Standard pillow shams 20X26" Duvet Covers slip over your existing comforter creating new luxury look.