Nipples are the most sensitive part of the breasts. Due to many nerve endings in the nipples, it’s without a doubt an important erogenous zone. Experience fuller and erect nipple with TABOOM Pierced Nipple Suckers. These suckers are designed to increase blood flow to the nipple - increasing sensitivity.Specifications and characteristics:- Total length: 6 cm- Diameter: 2 cm- Material: Silicone, Nickel-Free Metal- Color: Black