Product Description: You will receive 4 spring-loaded bi'jia pen clips, which are designed with springs that not only hold the pen securely in the loop, but are also very easy to use. In addition, the clip has a simple and elegant design, making it a unique product for users of all styles. Practical and Stable: This black spring-loaded pen clip holds the pen firmly in the loop, preventing it from slipping or falling during use, making it easy and convenient to use. High-Quality Materials: The clip is made of high-quality materials and is durable enough to withstand long periods of use. Practical with Thoughtful Details: The pen clip is self-adhesive, so simply wipe the area to be attached before use, then attach the clip, and it's ready to use. The self-adhesive design on the back of the clip not only makes it easy to install, but also leaves no marks after use, keeping the environment clean and tidy. Versatile Applications: The pen clip is suitable for a wide range of applications, including home, office, and school, and is practical for daily and professional use.