Get through that stack of mail faster with one of our versatile letter openers. Whatever the envelope size, we have a letter opener that’ll do the trick. From traditional stainless steel blade design to electric models, we have a mail opener that fits your budget and need. We also have a type of envelope opener that fits in any pocket. These small plastic safety razor models can zip open an envelope in an instant. Zoro also has a great selection of business envelopes and window envelopes.