Set includes anal douche with soft flexible vacuum bulb and removable tapered tip, and a silicone probe with suction cup base with 10 functions of vibration, pulsation and escalation. Bulb holds up to 7.5 fl. oz. Battery pack requires 2 AAA batteries, not included. Rubber bulb measures 4.5 in. by 3 in., with 3 in. tip attachment. probe measures 4.25 in. by 1.25 in.