Safe Guard Anti EMF Radiation Protection Shield Sheet Stickers, and Heat Reduction Expert. Enhancing Battery Life and Help Environment. (Pack of 2, 45mm X 25mm Each.) Check it out http://lifehacker.com/5828090/why-is-my-cellphone-burning-a-hole-in-my-pocket Reduce smart phone radiation, and protect your family for health Lower smart phone temperature, enhance battery life. Prolong battery usage life and help environment Take the smart phone out of case? 'or' Add anti radiation on your case? ..... The latter one sounds a better idea. It takes 2 for iPhone 6* / 6 plus* / iPhone 5 / 5s / iPhone 4 / 4s / iPhone 3. Please check with seller for usage prior to purchasing about applications in iPad Air / Macbook Air / Macbook Pro / Samsung Lg Blackberry Sony HTC Smart Cell Phones & Accessories Case