Unable to be destroyed or damaged.

Resistant to destruction, breakage, or wear.

Not prone to deterioration or decay over time.

Unbreakable; incapable of being shattered into pieces.

Enduring and able to withstand harsh conditions without damage.

A material or object that cannot be easily damaged.

Something that is resistant to wear, tear, or breakage.

An item designed to withstand harsh conditions without being destroyed.

The quality of being impervious to damage or destruction.

Referring to a substance's ability not to decay over time