If you like the bulb end on Nina, but wish it was silicone-coated and rechargable, Stella might meet your needs. Waterproof, with a single push button multi vibration controller, Stella delivers whisper-quiet, throbby vibration with a range from moderate to intense. Arrives with instructions for a "hard lock" so that you can safely travel with it. Lovely, really. Color: Aqua, Hot Pink or Purple Size: 1.25" at widest point, with 6.25" insertable length. Total length is 6.75". Materials: silicone. Batteries: None. USB charge cord included. Cleaning Instructions: Clean with soapy warm water; as long as the battery compartment is tightly sealed, it is safe to submerge this item.