SealLine Waterproof E-Case Full functionality: Ultra-clear polyurethane windows allow full use of touchscreens, cameras, and voice functions. Easy security: One-step, waterproof SealLock zipper and rugged RF-welded seams guarantee protection from the elements. Validated performance: Every case is individually tested to meet the IPX7 standard of withstanding submersion in 1 meter of water for 30 minutes. Versatile carrying: Leash points make it easy to secure the case to a pack, boat, or other object; smooth surfaces enable the case to slide easily into a pocket or bag, depending on case size. Eco-friendlier: PVC-free materials offer a reduced environmental footprint over vinyl.