3 PCS Mini Retractable Utility Knife Box Cutter Letter Opener Retractable Letter Opener for Envelope, Package, Paper Cut（3 Color）

Hanging hole design, convenient lanyard/key ring hole. Letter opener envelope slitter is made of high quality plastic, and concealed stainless steel razor blade, more safety than a traditional steel letter opener.high hardness, not easy to break or bend, beautiful and practical. Cutters can be applied for letters, packaging boxes, envelopes, food bags, plastic bags, wrapping tapes and more;suitable for home, office and school uses as well as business travel. 3 PCS Mini Retractable Utility Knife Box Cutter Letter Opener Retractable Letter Opener for Envelope, Package, Paper Cut（3 Color） The blade of the utility knife is retractable; push it out when needed, and fix its length by pressing the button to the clamp to be fastened; there is a hanging hole in the case to attach key rings, backpacks, etc., to avoid loss.