Bamboo Machine Wash, Dryer Safe COMFORTABLE: These bamboo no show fashion liner socks for women. These no show socks liners are created to fit comfortably on your feet. With the help of the elastic and the silicone-grip heel hugger, they stay up on your heel, not down by your toes. Recommended for US Shoe Sizes 5-9.5. THEY KEEP YOUR FEET DRY: Made from Bamboo, these liner socks have natural anti-bacterial properties that help keep your feet dry and odor free. DURABLE: Bamboo is more durable than cotton, making them the perfect socks. They also, wash and dry well EASY TO WEAR: Wear them with all of your most fabulous looking footwear. The no show liner socks will stays hidden underneath your flats, heels, low cut sneakers, and loafer. So you will look fabulous while feeling good. Q.T. BAMBOO/LULUVIN IS THE ONLY AUTHORIZED SELLER OF THIS BRAND. 100% SATISFACTION GUARANTEE: If you aren’t completely satisfied with either the cut or quality, just contact us for a full refund.