Product Description Use the standard Original NetStamps Labels to print official United States Postage. You can print a stamp for any amount and for the most popular domestic and international mail classes -- whether you're sending a First Class letter to Vienna, a postcard from Honolulu or a contract from New York. Print off a sheet or two to have on hand for routine mailing needs, and use them immediately or months later. NetStamps never expire, unlike directly-printed meter postage. No more rushing to the Post Office on the same day. Convenient package size 50 sheets (1250 Stamps) for small businesses or for busy mailrooms. Turn any home or office desktop printer into your own personal post office! NetStamps can be used whenever you need them, they have no date or domestic address restrictions Valid for use with domestic or international USPS First Class Mail, when mailing letters, postcards and flats or large envelopes Note -- NetStamps cannot be used on Packages, Priority Mail or Priority Mail Express due to USPS regulations Compatible with all of today's leading home and office printers, laser and inkjet Resistant to smudges, jams, and sheet curling Backed with a 100% guarantee Fluorescent watermarked, ensuring the security of your postage Labels backed with strong self-adhesive, will not detach during shipping All NetStamps are proudly made in America Printing Postage You can print postage onto the Stamps website, NetStamps using stamps homepage or the Stamps interface in the Stamps software Label Sheet Specifications Sheet Size: 8 1/2" x 11" Labels per Sheet: 25 Label Size: 1 5/16" x 1 5/16" Inkjet Printer Compatible: Yes Laser Printer Compatible: Yes Color: White/Orange