World famous Matador erection enhancer ring for him, and triple stimulation for her! Removable multi-speed bullet. TPR (enhancer) ABS with Metallic Plating (stimulator) 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 (bullet).