Featured on TV! Popular product currently out of stock Sunstar Stationery 2-Way Opener Akerukey S3721701 A new type of opener that can be used for both opening and unpacking. Ready to use when you need it! This key-shaped opener is easy to use immediately after taking it out of your mailbox or delivery box, and is easy to carry around. 2-way specification: letter opener and cardboard opener. It has a key ring attachment hole, making it easy to carry around. The blade can be stored for safety.