These were shot with the Ilford XP2 Super Single Use Camera Black & White
Pick one up here: https://amzn.to/2QmoZjv
I found these images come out way better by using the flash whether in daylight or overcast. The film speed is decent, however the flash does help the camera expose even with close up subjects. The flares or light burns from the flash can easily be Photo-shopped in post if you desire.