No mobile cell phone allowed forbidden sign symbol magnet

No mobile cell phone allowed forbidden sign symbol Square magnet. Custom warning magnets for safety, security and more. Customisable colours. Handy no cell phone signage for public area, quite space, hotels, motel, bed and breakfast, hospitality business, conference building, home, office space, restaurant, company, school, dorm, university, film studio, school, hospital, care home, bedroom, bathroom, toilet, cloak room, meeting room, editing room etc. Round circle with diagonal stripe. Also handy for tablets. Magnetic caution signs.