Moishia 3pc World's Most Efficient Letter Opener Envelope Slitter- value pack Durable, safe and handy tool for letter opening, envelopes & packages. 3 Pack (1 White, 1 Yellow & 1 Red) - made in Taiwan. Hidden safety razor opening, reduces risk of accidentally cutting contents. Insert the bottom piece of the opener under the envelope flap and slide along the rim. Stainless steel knife stays sharp throughout- makes it much easier to ope your mail everyday!