Core ballstretcher best feature is the outer ribs for super long springy-stretch it stays taller on your sack with more padded grip in the middle for a fatty bag-squeeze. <br><br> Core fits your nuts with a smooth hourglass inner sleeve on your nutbag... this slick tunnel wraps your sack with a medium firm squeese while the outer ribs keep your stretched down for real low-hangers. <br><br> Made with extra-soft plus-silicone blend, it'll keep the grip enough with a smooth velvety rubbery comfortable stretch, and the right slippery grip for more play. <br><br> • Core ballstretcher has more squeeze insid <br> • Core has springy ridges outside for more push-down <br> • Hourglass inner shape grips more when you need <br> • Thicker rubber rim will not dig into sack <br><br> Measurements: <br> • Length: 2" (5 cm) <br> • Width: 2" (5 cm) <br> • Outer Circumference: 7" (18 cm)