- Fit for personal items distinction, bunches of keys, luggage tags, memory sticks, pet name tags, etc. - Each one is supplied with a white paper card insert to write on as you want, and there is a plastic cover over the inside paper to avoid damage from water or sweat. - Multiple colors to meet your need. - Quick and easy to identify your items. - Lightweight and portable. Specification: - Material: Plastic, Steel - Overall vertical size: Approx. 65 mm - Outside diameter of split ring: Approx. 20mm - Inner diameter of split ring: Approx. 18mm - Plastic ID Tag Label measurement: 50 x 22 x 2.6 mm - Windows on plastic label measurement: 29 x 14 mm Package Includes: 50 Sets Key ID Tags