"Willi" is our simulated male catheterization trainer. "Willi" is specifically designed to fit our reconfiguredRemedy Cath Standand will fit most Laredal Manikins. The feel of the material is realistic and delicate like actual tissue. "Willi" ships with a removable foreskin and prostate band which can help simulate an enlarged prostate. Successful catheterization will be confirmed with urine flashback. The bladder module is used with an IV bag that can be hung or inserted into a pressure infuser bag to provide flashback.