Pokemon Center 2017 Shinzi Katoh Little Tales Campaign #4 Pikachu Set of 2 Charms (Sleeping Time Version). It was only sold at the Japan Pokemon Centers in March, 2017, for a very limited time and in very limited quantity, during the Little Tales Campaign #4. They have clips so that they can clip on to bags, keyrings, bracelets or any other item that you wish to attach it to.
Approx. Size: Varies by charm, but approximately 0.75" x 0.75" (2cm x 2cm)
Condition: Mint condition. Sealed.