Jenny went into her bedroom and took off her shirt after making sure her window was closed. She then took out the pump up bra. It looked like it was made of some weird rubber or plastic and gave it a small tug and noticed that it stretched. A bit curious she pulled further and it continued to stretch till it was as long as her arm span. She then let it go and it snapped back to it's original form and fell to the floor. Jenny thought to herself "This doesn't seem comfortable. There is a pump but... Either way probably a gag bra. I guess we'll see how it looks."
Jenny put the Bra on and it felt really snug and pushed her breasts together despite the fact that the bra material completely coated her breasts. She said "Well this isn't comfortable, but why not see how this looks." Then took the pump and started to pump it and noticed that the black bra coated breasts seemed to be pumped up to a C-cup. Wondering how far it would go she pumped them to what would be an E-cup. Jenny said to herself "Well they look good... If not for the fact that they look more like balloons. I guess i'll try to take it off then." She unclasped the bra and took it off then looked down and then saw her breasts were still E-cups and looked like stretched out balloons. Curiously Jenny grabbed one of them and while the flesh felt like flesh when she gave a curious squeeze there was a resistance like if she was squeezing a helium balloon. A bit scared she looked to see if there was some sort of guide that was in her shopping bag. When she looked she found...