Two-color information frame in red and white, A3 size, according to ISO 3864-4 for safety colors. Designed for quick and easy insertion of warnings related to fire protection, machine use, first aid, hazardous substances, escape, and rescue routes. Magnetic on all ferrous surfaces such as whiteboards, machines, metal cabinets, and doors. Can be used in both portrait and landscape formats. Documents can be changed easily: lift one corner, change the document, release the corner, and it's done! This colored information frame is suitable for office, warehouse, and production environments. Pack of 5 pieces.