ANTI RADIATION BABY SOFT COTTON HAT. Radia Smart Protective Baby Hat is made from premium quality baby-soft cotton lined with the reliable protection of silver shielding from EMF radiation make this baby hat a convenient way to protect your baby/toddler from radiation. EMF RADIATION SHIELD FOR CHILDREN. Radia Smart Hat blocks radiation from cell phones, wifi, laptops 99.9% effectiveness. It is tested by accredited lab. It Protects your baby/toddler’s brain is rapidly developing and absorbs 2-10xs more radiation than an adult's brain from the same exposure. It provides EMF radiation protection. SOFT COTTON, ONE SIZE FIT. Radia Smart protective baby hat is made of outer layer soft cotton and inner layer radiation shielding fabric. It is breathable and lightly stretchable. It fits most of children from 4 years above. Hat circumference is 18.8 inch or 48 cm. PEACE OF MIND. Reduce your concerns about everyday radiation from cell phones, wifi, laptops for your baby. It provides you the peace of mind when you use the hat for your baby/toddler and your baby is close to you while you work on your laptop, ipad and cell phone. SIZE. Beanie circumference is 18.8 inch or 48 cm. Only suitable for toddler 2-4 years old. Washing Instruction: wash in cold water, use gentle (phosphate-free detergent), don't bleach, don't dry-clean, don't tumble dry, cool iron. If washed according to these directions and kept free of mechanical and chemical stress, the fabric should retains its shielding effectiveness indefinitely.