Elegant, upscale, and hand-crafted with amazing attention to detail, our luxurious Icicles Clear Glass Ben Wa Balls are made from borosilicate glass and designed to last a lifetime. Their size and weight make them perfect for vaginal stimulation and exercise use, and the nonporous glass is hypoallergenic and body safe. With regular use, you'll enjoy improved muscle control and stronger, more frequent orgasms.