Magnet. Larger calendar magnets offer promotional opportunities for virtually any business, organisation or fundraising event. Measuring 0.5 mm thickness, the finished designs make ideal mailers to send to potential customers. Eco-friendly. Custom Colour. Product Size: 176Hx100W mm. Print. Size: 176Hx100W mm. Price includes : Print Up to Full Colours. Setup is additional. Please contact your sales representative for a final quote.