Harry Potter Official Silver Plated Hogwarts Platform 9 &frac34; Necklace Pendant Detailed 2D Silver Plated Platform 9  Necklace Charm measures approx. 1.5cm (W) x 1.5cm (H) 40cm chain with lobster clasp and 5cm extender Presented on Harry Potter branded backing card 100% officially licensed Warner Bros. Harry Potter merchandise