This is a set of belts used to secure the fetal heart rate monitor (NST - Non-Stress Test) during late-term prenatal checkups. It's a set of two belts: one pink and one yellow. I used them once during childbirth. There is no outer bag. They were used for a short time, so I think they are in good condition. There is some slight stretching in the area where the device is secured. Please check the photos (photos 2 and 3). I wrote my name on the name tag, so I cut off the name portion. Therefore, the tag is shorter than a new one. Please also check the photos (photo 4).