UltraGrip 3D diamond shaped microdot pattern on the blue bars, at the top and bottom of the sheet to ensure perfect print alignment. 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. Made from FSC certified paper from responsibly-managed forests. Save time with our FREE, easy-to-use template software; Avery Design and Print.