This press signature pen is made of highstrength and environmentally friendly ABS plastic, which is lightweight, durable, and comfortable to hold. It is easy to write for a long time without tiring hands. The 0.5mm0.7mm highquality bullet or needle head is matched with imported ink, which dries quickly and is waterproof. The handwriting is full of blackness, and the writing length can reach over 400 meters. Built in precision ball bearings, even ink output, no paper scraping, no white flying. The grip of the pen is designed with anti slip texture, which prevents it from slipping even when sweaty. The press structure comes with a sealing cap, which effectively prevents ink from evaporating, allowing for easy writing upon opening and preventing ink from drying out