product descriptionMaterial: Medical siliconeColor: BlackSize: 1.9" H, 1.6" suction cup diameternotes: Abscissa: 1 cm = 10 mm = 0.39 inchesNo retail packaging. Due to manual measurement, please allow an error of 1-3mm. Make sure you don’t mind bidding. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thank you! The package includes: 1 pair of black nipple suction cups; 6 x LR44 coin cell batteries (included) (except for other accessory demonstrations in the picture). Contact us. We will try our best to solve your problem within 24 hours. Therefore, please feel free to buy without worry.