SWOB specializing in patented storage/transport/RF blocking products made in the USA. Clear Biohazard aLOKSAK and OPSAK bags with 100% hermetic seals will also protect electronics, medical supplies and valuables. No water/air/dust/humidity. Certified waterproof to 60 meters. Touch screen electronics work while protected in our aLOKSAK. Our SHIELDSAK renders your mobile devices impenetrable to RF.