The size is about 2cm on the short side and 3cm on the long side. It's made of sturdy metal. I also have keychains and pin badges for sale. If you purchase multiple items, I will offer a discount on shipping. Please feel free to contact me. I will ship quickly! Thank you. Genre: Overseas Artists Overseas Artist: The Beatles The Rolling Stones The Who Led Zeppelin The Beach Boys Bob Dylan The Kinks Cream David Bowie zombies Liverpool British Invasion Abbey Road Let It Be Sgt. Pepper's White Album Yellow Submarine