EMF Radiation Shield Men T-Shirt V-Neck Health Safety Protection Suit 8900635 100% Silver-Nylon Blend Ware this light stretch t-shirt as a basic top or an undershirt to protect you from all-day Radio Frequency (RF) radiation 100% silver-nylon blend fabric provides RF radiation shielding to 3 GHz and beyond Size: chest-42" (107 cm), length-28.3" (72 cm), shoulder--19" (48 cm); the shoulder size has been modified from 17" to 19" according to customer's suggestions Care, hand wash, air dry, do not bleach, do not dry clean Breathable and comfortable. Be certain its authentic OurSure Brand You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!