My sister's hoe friends trying to get with me..

I'm currently staying with my sister and mom while my husband is out of state, and all these guys my sister is friends with have been all over me and obsessing. They try to hang out with me constantly and make sexual jokes and have sent me requests on Facebook and try to message me. I flaunt my ring and talk about nothing but my husband and our son but they're persistant. I mentioned to my sister going to the bar tomorrow night and she immediately invited them along and now I don't even want to go. It's just asking for trouble. I want to enjoy my time with her before I leave next week but I can't be around her without them popping up. It's making me feel guilty and I haven't even done anything