DIY Roll-up Floral Walls

Hi everyone! I'm trying to get started in artificial floral rentals and I'm stumped about something. I see posts by people making flower wall backdrops, specifically the ones that roll up to store and ship and aren't rigid. This type kind of looks like it's made of sleeping bag material that either ties together or zips on the back and has a pole pocket to be hung easily. No matter how hard I search, I can't find what this material is or where to buy it. Also, how (very specifically!) would flowers be attached to this material? I'm not strong at sewing so I'm looking for an easier option. I have flexible plastic chicken wire and considered that, but I don't know how you'd attach it if that's even an option. Can anyone tell me how to do this and where to buy the materials?