The best selling Lasso is now Silicone with 10 functions. Comfortable adjustable erection enhancer provides extra support and stamina for him. Removable bullet provides 10 intense functions of vibration, pulsation, and escalation for a partner. Nubby Silicone sleeve provides added stimulation. Silicone (lasso, stimulator sleeve) ABS (stimulator). Batteries included (3 watch, 6 included). 5/12.75 cm (adjustable lasso). 2.25 x .75/5.75 cm x 2 cm (bullet).