3pc ALAZCO World's Most Efficient Letter Opener Envelope Slitter Simple, safe and efficient tool for opening letters, envelopes & packages Insert blunt-tipped guide under envelope flap at corner and slide cutter along edge Recessed safety razor slits top edge of flap, reduces risk of accidentally cutting contents Stainless blade stays razor-sharp through hundreds of cuts - it's the easiest part of bill-paying! 3pc (1 White, 1 Yellow & 1 Red in each pack) Excellent quality by ALAZCO