4 Pcs Assorted Color Letter Opener, Efficient Handheld Envelope Slitter, Plastic Razor Blade Paper Knife by SuoSuo Simple, safe and efficient tool for opening letters, envelopes & packages.Slice like butter through paper envelopes of all styles and sizes Insert blunt-tipped guide under envelope flap at corner and slide cutter along edge. The concealed blade reduces chance of cutting skin, but still allows paper to glide through and slice open. Save time, energy and your manicure with manual letter openers. Stainless blade stays razor-sharp through hundreds of cuts. Great gift for family,friend,on holiday. Also perfect gift in business.