Dealimax Brand - 13 mm - 1/2 inch 1000 Round Bright Silver Hologram Sequentially Numbered Tamper Evident Security Labels/stickers Tamper evident void pattern when removal is attempted 13 mm =0.50 INCH ROUND - conveniently sized 100 labels/sheet. Little smaller then Size of dime coin. Unique sequential serial numbering (we won't use the same numbering twice) Lowest price with best quality (product listed by Dealimax) Scuff, scratch and cleaning product resistant - Adheres immediately to almost any smooth surface