Water resistant and hold the GPS, cell phone, or navigator; Water resistant grade: Daily life water resistant; Suitable for Samsung I9300/S3 mobile phone (about 5 inches); Stand and water resistant bag can use separately; Water resistant bag size: 14.5cm x 8cm x 2cm (Max.); Portable and convenient; Flexible head, rotative screw; suitable for most cars, easy to install; Can be fixed in the handle with the diameter 1.5~3cm; Suitable for motorcycle, bicycle, electric bike, etc.