Uniquely designed hollow packer with STP (stand-to-pee) functionality Full size opening to accommodate any size user Pliable and durable design fits snugly into most packer harnesses Ultra-Soft premium Silicone packer holds shape during use Ultra life-like look and feel with realistic scrotum and perfectly sized opening Dimensions: STP: 5 x 1.75 in. Package: 2 x 4 x 8.5 in.