Permanent, self-adhesive labels go on, stay on and apply quickly and easily. Labels seem to disappear on your envelopes, giving your mailings a high-end, pre-printed look. Print labels easily on a laser or inkjet printer. Templates available in popular software. 8 1/2 x 11 sheets. Shape: Rectangular; Label Size - text: 2 x 4; Label Color(s): Clear; Color Family: Clear.