I think the picture says it all to be honest,
"The perfect thing if you're feeling a little smaller than normal and need to inflate' yourself a little.
With its handy hidden pump you can inflate the trouser expander to give you a more eye catching well you get the idea!
Great for those cold water 'shrinkage' moments, for impressing the ladies, or for those who have been teased in the locker room a little to much for their own self esteem!
All you need to do is inflate the pouch using the handy rubber pump for some impressive enlargements with no surgery, pain or bogus medications!
Enlarge yourself to a whopping 8, with a girth beyond belief!
* Inflatable expander'
* Comes with hand pump, inflatable expander and connecting airtube.
* Size (when inflated) 21cm long x 18cm girth.
* Item can be inflated to a convenient size, and deflated when needed."