Comfortable fulfillment: tapered for easy insertion, with a flexible neck and base to bend and move with your body for Extra comfort during wear; excellent for training or warmups | Internal weight: The metal weight found within each comfort plug adds a satisfying downward pull on your hole; the hard inner core provides a solid mass for your insides to squeeze on; 13.4 ounces | Premium Silicone Skin: Made with high quality Silicone, phthalate free, velvety smooth, and body safe for worry free fun; compatible with water based s only | Measurements: overall Length 6.6 inches, Bulb length 4 inches, neck length 1.8 inches, total insertable length 5.9 inches, Bulb diameter 2 inches, base Length 4.3 inches.