This is a lightweight plastic letter opener, like the ones seen in American novelties long ago. You can open incoming mail with intelligence. The unique retro shape is cute just for decoration, so how about one in a pen holder? Product size: W164 x H21 x D5 (mm) Package size: W200 x H40 x D5 (mm) Weight: 6g Material: PP bag with header Made in Taiwan Precautions Do not use for anything other than opening envelopes. Please note that if used on thick paper, excessive force will be applied, which may damage the paper or the tip may slip and cause injury.