Ahoy Matey Party Balloon Centerpiece Kit. One Ahoy Matey Party Balloon Centerpiece Kit contains 1 round 18 inch sailboat foil balloon, one styrofoam base with silver metallic fringe, and 3 - 5 inch light blue star balloons. Kit also contains straw sticks to inflate and then hold up your air-filled balloons on the base. No helium needed. A great new party decoration idea!