Made with heavy-duty vinyl material and stuffed with a single block of sculpted urethane foam.

This set is a 5-piece set that has one plug for the cabin heat outlet and 2 for upper top of cowling and 2 in front

Each plug has a zipper that allows the foam to be removed and dried if necessary.

Plugs have warning flags that are visible from the cockpit.

Plugs may be inserted after flight when the engine is still warm.