Soft penile prosthetics that fill your underwear to give the look and feel of a flaccid package. This can be helpful for dancing close in bars, wearing dress pants/gym shorts, or daily to alleviate feelings of dysphoria and loss.
A packing device should be changed at least every 3 months. The material it's made out of is porous and likely to discolor or gather an odor after that. To stretch the life of your packer try not to run it through the washer (specially not the drier), clean it regularly and coat it with Packer Powder after, and store it in a cool and dry place when you're not using it.