Silicone Vibrating Balls With Remote Control28 functions - 4 speeds with 7 vibration modesAdd vibration to a dildo, vibrator or use as a c-ringRemote controlledRealistic featuresMade with Premium SiliconeWaterproof Rating IPX5Extreme VersatilitySoft Silicone MaterialHypoallergenicNon-PorousProduct Details:Overall Length: 3.5"Width: 2.2"Depth: 1.7"Inner Diameter: 1.38"Weight: 2.3 oz.Material: SiliconeCare Instructions: Clean with soap and warm water or toy cleaner. Use with any water-based lubricant.