The ballpoint pen and base is connected by the metal chain, you no longer worry about pen forgotten in any corner. This ballpoint pen set is manufactured with premium material for fluid and smooth writing. It& 39;s comfortable to grip and will not bring too much fatigue for your hands. The minimalist design will make you enjoy your homework writing very much. Features - Color: Random Color. - Material: Plastic. - Size: about 5x5x21 cm. - The adhesive-backed base is simple to apply, no screws, no holes. - Ergonomic design makes it comfortable for gripping during writing. - Writing fluently and smoothly without scratching papers. - Simple pushing design for convenient use. Suitable for use at school, office and home. - Equipped with stand for easily put and take out. - for banks, retailers, office lobbies, hotel lobbies, tuition offices, unemployment offices etc. - Warm Tip: Dear buyer, due to lighting effect, monitor& 39;s brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you