The Packer Gear 5-Inch Ultra-Soft Silicone STP is a unique packer designed with a hollow shaft and wide opening for FTM Stand-to-pee functionality. Designed with function and comfort in mind, the sculpted packer fits easily into your favorite harness and premium Ultra-Soft silicone flexes with the body. The soft, pliable silicone, life-like feel and black skin tone make it the perfect probe for all-day wear and use.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 Universal Toy Cleaner.