The word you are looking for is "durable."
Agility.
Brittle - the property of being easily broken or shattered when subjected to stress or pressure.
Ductility is the word that means the stretchability of a metal. Ductility refers to the ability of a material to be stretched or deformed without breaking. Metals that are ductile can be easily shaped into wires or thin sheets.
Imperturbable means not easily upset or disturbed; calm and composed in difficult situations.
A rubber band would be more easily broken than a piece of chalk or a skirt. Rubber bands are designed to stretch and be flexible, making them more likely to break when stretched beyond their limits. A piece of chalk is more rigid and a skirt is made of fabric, which are not as easily broken by stretching or bending.
Friable means easily crumbled or broken.
The word "fragility" originates from the Latin word "fragilis," meaning "easily broken" or "brittle." It is derived from the Latin root "frangere," which means "to break." The word fragility is used to describe the quality of being delicate, vulnerable, or easily broken.
It's Fragile
Emo heart means that have an emotional heart that can be easily broken or is already broken.
Delicate or easily broken (physically, emotionally)
Fragile means delicate, easily broken, or sensitive to damage. It is often used to describe objects, people, or situations that require careful handling to prevent them from breaking or being harmed.
The word flimsy is an adjective. It means weak or fragile.
indestructible
unbreakable
"Flammable" means to ignite or burn easily.
unbreakable
Friable tissue means that it is easily crumbled or broken apart. This usually indicates that the tissue is fragile, brittle, or easily disrupted.