Spine Screw Plug for Indoor Balloons by LookOurWay. The Spine Screw Plug holds one 30" indoor balloon securely, allowing it to be added to a 4-port or 5-port manifold part.
Inflation of the balloon can be done while they are connected to the spine screw plug via the inflation port.
Spine Screw Plug, one of many spare parts for reusable balloons by LookOurWay.
Balloon not included.