Add a fun pop of color to your keys with the Sanrio Vivid Neon Light-Up Keychain! Featuring your favorite Sanrio characters in vibrant neon sign designs, this double sided keychain lights up with the push of a button and includes an acrylic charm. A must-have for any Sanrio fan! Turns on/off with the button on the top. Batteries can be replaced (Batteries used: LR41 x 2) Continuous lighting time: Approximately 4 hours Measures about 2“ wide x 2.25“ tall. Official Sanrio item.