Change of Plans

We originally supposed to be married in July, but we postponed to next July because of Covid. My fiance and I have talked and decided to further postpone until December next year. We have couple of friends who had to postpone and they picked dates near what we were going to do so rather than having a bunch of weddings right around the same time December sounded like a good idea. I am thinking of having the girls wear long sleeved dresses. One because it will be cold and two because my sister has a tattoo none of us like on her arm. She doesn't even like it. She was planning on seeing if it could be covered by the makeup artist. Her husband did the tattoo even though he isn't a professional tattoo artist. I'm not sure where to get long sleeved dresses though. I've done a little bit of research, but it looks like my options would be rather limited. Any recommendations? Or does any one have photos if they had their bridesmaids wear long sleeves. There aren't a lot of inspiration photos online that I've found.