This amazing handmade collar made by Ragz & Tugz is extremely popular with Batman and Harry Potter fans.
 
Each collar comes in 4 different designs and 4 sizes so you can pick the correct one for your pooch.
 
Design options
1- Batman: Batman logo Large
2- Harry Potter : Harry Potter, Deathly hallows logo with Lighting Bolt.
3- Harry Potter:  "I solemnly swear that i am up to no good"
4- Batman: Batman logo small.