1 Box protector for the Funko Pop! Comic Covers Action Comics Figures.  This one also fits "The Kramer" from Seinfeld.    It may fit some other items out these days and if you find anything else that fits please let us know! 

These are 11 x 7 3/16 x 3 1/2 or roughly 27.9 x 18.2 x 8.9cm.  

16mil .40mm Acid Free PET Plastic

Removable Peel Film.