sheex luxury copper sheet set with 2 pillowcases, breathable pro+ionic copper fabric, black, queen sheex sheex luxury copper sheet set features ultra-soft pro+ionic copper fabric, which releases ions that may decrease oxidants in the body. these breathable, moisture-wicking sheets keep you cool, dry and comfortable while you sleep, and the natural performance attributes in the fabric help reduce odors. care instructions: use cold water and choose a regular cycle with no bleach or fabric softener and no fabric dryer sheets. tumble dry on low, and don't worry about having to iron - sheex are wrinkle-resistant! --about sheex-- from the moment the idea for sheex was born, our mission has been to create the ultimate sleep experience. that mission began with the world's first soft and dreamy performance fabric bed sheet, and today we offer a complete, customizable performance sleep system that includes additional bedding products as well as our base-layer sleepwear collection of ultra-comfortable, effortlessly modern styles - all designed for comfort and engineered to help you get an amazing night's sleep. what makes sheex the best? sheex materials are smoother and softer and feel awesome against your skin, more so than any bedding products you have ever felt. we are the first and only performance bedding company focused on the science of sleep and recovery to help you sleep better. sheex is the leading innovator in next-generation solutions to create the best sleep environment possible through breathable, moisture-wicking and absolutely amazing technical fabrics.