Here's a pic of mine. https://www.amazon.com/dp/B01JBIDPQW/ref=twister_B01JBIDN14?_encoding=UTF8&psc=1

I found some Deadpool ones that I believe are this same size and they work pretty well...https://www.amazon.com/dp/B01JBIDPQW/ref=twister_B01JBIDN14?_encoding=UTF8&psc=1