Revolutionary new boiled pop-ups. Long lasting buoyancy. Controlled 10% expansion. High-long term attractor leakage. Retain buoyancy even when punctured. Airballs are a revolution! Produced by boiling rather than microwave oven or frying. Airballs maximise long term attraction and leakage. Airballs can be mounted directly onto a hair rig. Puncturing does not affect buoyancy.