Recommended User: Boost your general cardiac and intestinal health when working out or sitting in front of a phone, laptop, monitor, or television. Product Description: Blocks 99% of wireless radiation (3G, 4G, 5G, Wi-Fi, Bluetooth) Antimicrobial & anti-odor UPF 50 - block harmful UV rays Breathable Extremely soft fabric for optimal comfort Machine-washable Wash on cold and delicate, using your regular detergent. Hang dry - do not place in dryer. Material: 53% Cotton 42% Silver 5% Polyester 99% Emf radiation protection Water absorbent Breathable Heat reducing No color fade Wrinkle free Non-shrink