The Novelty Erasers Piano Keys Four 3 Packs are fun party favors perfect for music-themed events or school supplies. Made of rubber, these erasers come in a set of 12 with a black and white color scheme and a piano key design, making them a unique and playful addition to any party or classroom. Ideal for kids who love music and want to add a touch of creativity to their school or playtime, these erasers are both functional and entertaining.