Our job envelopes have two detachable numbered stubs, one for the customer and one for your record keeping. Custom imprinted repair envelopes are available with up to 4 lines of print. There is a one-time $52.50 plate charge and minimum five-box (5,000) purchase for custom imprinted envelopes. Please allow 12 weeks for delivery. Envelopes measure 5 3/4" x 3 1?8" when closed.