What should I do with my ex's clothes?

I’ll try to make this short, sorry if it’s not.

In the middle of August an ex of mine (boyfriend at the time) went on a camping trip with my family. After the trip we came back to my house for a bit and he left his plastic bag of clothes here, a grocery bag. A few days after that my parents told me we were moving 30 hours away, we aren’t now but at the time we were planning on it. So I told him about it and he was all “move in with me, stay here for me” type thing and I declined. Reason being, we hadn’t even been dating for a month and were obviously nowhere serious enough for that yet, we weren’t even in love. This really upset him that I wouldn’t stay here for him and drove him to completely stop talking to me. I haven’t heard from him since that, he blocked me on everything, yes I know, very mature (he’s 24-years-old!).

So I have this bag of clothes, I’m not a delivery service so I’m not taking it to him. He lives an hour away so I’m not making that effort. What should I do with these clothes? I’m tired of them kicking around.