Anti-Radiation Maternity Tank Top Cami Pregnancy Protection Shield 800629 100% Silver-Nylon Blend Silky feel, light stretch, comfort maternity dress provides RF/microwave shielding Don this dress as a basic top or an undershirt for all-day protection as you go about your daily activities Maternity sizes: 37 inches (94 cm) at chest; 46 inches (116 cm)at belly and 28.5 inches (73 cm) long, adjustable strap. Color: Silver Care, hand wash, air dry, do not bleach, do not dry clean Breathable and comfortable