Key tags : Efficient, convenient and one of the most popular card formats for check-in, advertising, and promotion. Key tags are widely used by our clients globally: Health Clubs, Yoga, Pilates, Martial Arts, Sport & Spa centers to name just a few. Your brand in your customers? hands every day : Our miniature key tags can be personalized by name, number or a barcode to work alongside your access control hardware and software setup. They?re also a great way of promoting loyalty, allowing your customers to always have your contact details at hand. A highly effective marketing tool: Our key tags can be cut to bespoke shapes and sizes. Our most popular (and cost-effective option) is our standard key fob size of 54mm x 29mm. These are supplied in handy strips of three, which easily snap into individual plastic fobs, making it easy and cost-effective to use as a marketing tool for any new idea or venture.