Finally a breast toy that isn't a clamp on! This pair of soft breast toys work like suction cup principle to stay against the nipples and deliver stimulating sensations. The interiors of these heart-shaped cups are lined with raised pleasure nubs to bring added sensation and the extended nipple domes are also lined with nubs. Vibrating bullets are located directly below for intense arousal. Requires 2 GP192 Batteries (8 included). 3�/8 cm (diameter.) 1.5� x .4�/4 cm x 1 cm (stimulator.)