Pokemon Center 2011 Butterfree, Caterpie & Metapod set of 3 charms. Only sold at the Japan Pokemon Centers in December, 2011 for a very limited time and in very limited quantity. 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" (1.5cm x 1.5cm)
Condition: Mint condition. Sealed.