Darkly Erotic, Slightly Mysterious, just like the woman who was our inspiration. Sasha Grey Black Glass Collection delivers a sensual, smooth, unforgettable experience. The Black Glass Collection dbuts with Small, Medium and Large butt plugs featuring a flat base for easy wearability; Swell, a graduating sensuous curves wand, and Billy, featuring pleasure bumps and a pull ring for easy handling.The Black Glass Collection is made of hygienic borosilicate glass, is non-porous and phthalate-free. Each unique item is packed in a foam tray in a visually exciting package. Delve into Sasha's dark desires with this unique Collection. Only from Doc Johnson and Sasha Grey.