WorId famous Matador erection enhancer ring for him, and tripIe stimuIation for her! Removable muIti-speed buIIet. TPR (enhancer) ABS with MetalIic PIating (stimuIator) PP (battery pack). 2 AA batteries. 3.25" x 2.25"/ 8 cm x 6 cm (enhancer). 1.25"/ 3 cm (diameter penis ring). 2"x 1"/ 5 cm x 3 cm (bulIet).