"political stripes" refers to someone's political beliefs or affiliations. It represents the political stance or ideology that an individual or a group identifies with. Full definition
Second, at least some of those measures should enable us to compare the performance of governments of different political stripes. (blog.politics.ox.ac.uk)
They're public figures of different political stripes but with something in common: Each started out in relatively humble circumstances. (realtormag.realtor.org)
«There's a tendency among politicians to always — regardless of political stripe — to always want to throw baubles out the window and pretty things — «Look over here» — you know,» he laughed. (moneysense.ca)