All products of Nagini, Harry Potter Character you can buy at Olleke Wizarding Store.
Nagini, Voldemort's snake, is introduced in Goblet of Fire. Her name is the female version of the nāga. She is a safeguard to Voldemort's immortality.
Voldemort made Nagini his final Horcrux when he was hiding in the forests of Albania by murdering Bertha Jorkins; but Dumbledore suspected that Nagini was made by Voldemort killing Frank Bryce.