Divide and conquer with this devious piece. Insert the penis through the main compartment, then place the testicles through the separator: this T-style divider keeps everything snugly in its place. Made of flexible TPR, this erection enhancer stretches to fit over the user and keep them just subdued enough to keep things interesting. Measurements Erection Ring has 1.39 inches interior width (unstretched). Material Thermoplastic Rubber TPR. Color Black.