Ben Wa Balls Ancient Chinese legend has it that ladies first placed these pleasure orbs to their vaginas and spent hrs rocking lightly backwards and forwards. They'd eventually notice a subtly cascading orgasm of epic heights. Today, this same pleasure is possible with such beautiful Ben Wa Balls. Whenever a lady inserts the balls and can become turned on because they move while she moves or walks around. Also builds muscle strength. The balls are weighted allowing you to have to contract parts of your muscles to carry them in. This is not merely useful with strengthening vaginal muscles but additionally helps strengthen urinary control. Ben Wa Balls are created using phthalate free, non-toxic materials metal, plastic transporting presentation situation. Specifications: Item Length 2.5 inches (64 mm)Item Width 1.75 inches (44 mm) Item Height 1.75 inches (44 mm) Item Package Depth 2 " (5 cm). Item Package Width 2 " (5 cm) Item Package Height 3.5 inches (9 cm) Item Packaged Weight 5.25 ounces (149 grams). Item Package Type Box. Country of origin China. Ben Wa Balls are featured in Pipedream Products Catalog 2008 A Brand New Dimension in Pleasure page 194