You legally need to be displaying a dive flag if you are diving, snorkelling and swimming from a boat.  This is to keep you safe.  

It must be at least 600mm x 600mm and hung up high where other water users can see it.

This flag is the minimum legal size.

Tough Vinyl Flag.

• Easy to setup
• Slot to attach to slide onto Rod or VHF Antenna
• Informs other mariners that divers are in the water
• Meets NZ safety standards
• Colour: Blue/White
• Size: 600x600