The Packer Gear™ STP Packer is the unique designed with a hollow shaft and wide opening for Female-to-male (FTM) Stand-to-pee functionality. Designed with function and comfort in mind, the sculpted shape fits into your favorite harness and a stretchy silicone flexes with the body. The soft, pliable silicone& skin tone may make it possible for all-day wear. The hypoallergenic premium silicone is body safe, unscented and phthalate free to keep you most sensitive spots, happy and healthy. Before and after use, wash with soap and warm water and then spray with a Sexpositive approved Toy Cleaner.