We are the ticklers and we vibrate. This brings much joy to both you and us. All of us in the tickler family are different but we do share some features. We are powerful waterproof quiet, body friendly and safe to play with. To get me started insert the battery and press my button Length: 5.2 Inches Lube Type:Water BasedInsertable?:4.3 InchesColour:BlueFlexibility:YesController:Built InWhat is it?:VibratorFeatures:Powerful/QuiteMaterial:SiliconeBrand:Tickler