No more water infiltration. No more gas evaporation. No more dust and debris.

The Jaly Cap is the first and only gasoline tank filler cap that has an integrated lock mechanism with a «lock-unlock» visual color indicator. Eliminate cumbersome padlocks and keys!

Our Viton® O-ring offers unmatched sealing, which prevents gas evaporation and ensures maximum protection against water and other gasoline contaminants.

The Jaly Cap is available in several colors to suit your needs.
The unique lock handle is used for all Jaly caps.