Permanent brilliant white self-adhesive labels stay precisely where you place them. Easy to apply they help you complete your labeling tasks more quickly. Address a letter or package in your own unique style. Jam- and smudge-free. Laser and inkjet compatible. Label Size - text: 2 x 4; Label Color(s): White; Machine Compatibility: Inkjet Printers; Laser Printers; Sheet (W x L): 8 1/2 x 11.