100 sheets/24 labels per sheet, A4 format, label size: 63.5 x 33.9 mm, jamFREE printing - special edges on the label sheet ensures no adhesive residue is left on your printer, label sizes perfectly optimised for all standard envelopes, compatible with most mass mailing platforms, save time with the free easy-to-use template software. Print your address labels for letters and envelopes, quickly and easily using your laser printer. Whether its for small or large mailing expect nothing than great results. Our JamFREE guarantee on all our printable laser labels, ensure these run smoothly through your printer every time with printer jams being a thing of the past. These mailing labels come with our special QuickPEEL technology for faster application. Simply divide the 24 labels on the sheet along the perforation to expose the label edges and then peel and apply to your envelopes, it is so easy and makes labelling of envelopes so much quicker. Ideal for labelling DL envelopes. Our FSC cert