Radiation shielded pouches, cases & bags.
Mobile phone manufacturers instructions include safe usage advice that requires users to keep the phone a minimum distance away from the body at all times eg iPhone 15mm, Blackberry 25mm.
Studies show categorically that men who keep a cell phone in their pocket for more than 4 hours per day have about a 50% lower sperm count. Remaining sperm produced is also more sickly and less likely to be fertile.
Mobile Safety pouches and cases have a backing sheild that protects the body from direct contact with, and absorbtion of, mobile phone radiation. Some can also be used to completely protect magnetic credit cards from theft and cloak phones from location tracking.
Unexplained breast cancer; phone kept in bra.