Based on this product's specifications, here are some alternatives and similar models
Glass Magnetic Board NOBO Diamond Blue 450×450 mm — 15 mm thickness
Summary description:
NOBO Diamond Glass Magnetic Board in blue, size 450×450 mm with 15 mm thickness. Tempered glass surface accepts magnets and dry-erase markers for presentations, planning and office use. Compact square design suited for retail pack distribution; useful for meeting rooms, home offices, classrooms and visual organisation tasks.