Economy Self-Protective Key Tags. Designed to be self-protecting against water, wear, and abrasion. Just a simple fold and it's made. Write on with any pen, pencil or marker. Choose from 4 colors. Color-code by new and used, by franchise, by "month in" and more. Includes rings. Each box contains 250 Protek Tags and 250 Twin Lock Rings. Tag measures 1 1/4” x 2 5/8”. They are available in four colors: White, Yellow, Red, & Blue.