The SealLine Bailing Sponge is the commercially made bailing sponge.
It has a microfibre outer which does a very nice job of cleaning that last bit of sand out of the cockpit and hatches.
Inside is a absorbant sponge to soak up any water remaining after you have pumped out.
The sponge has a elastic loop - we recommend attaching a nylon hook so you can secure it to your kayak.
