These credit card magnifiers with ruler work best held by 2" to 3" from subject. Choose from the 5 classic color options, add your custom imprint and and them out at trade shows, conventions and employment fairs. Digital full color process is available. The standard Package is bulk. Please add $0.08(g) each for individual polybag. Complies with Prop 65. 3 3/8" W x 2 3/16" H