The Frisky pleasure balls are perfectly weighted to increase your desire while strengthening your muscles. Wear them over time and notice your building excitement. These exquisite silicone balls deliver a stimulating rocking motion inspired by your natural movements. Frisky has a padded cushion texture keeping them in place, and a stylish silicone cord that dazzles with Swarovski(R) crystal. Material: Silicone Dimensions: Single ball - Overall length - 5.9 inches - insertable ball length - 2 inches Diameter of ball - 1.3 inches Dimensions: Double ball - Overall Length - 8 inches - insertable balls length - 5 inches. Diameter of ball - 1.3 inches 90 day warranty