Your question is too imprecise for us to answer. You need to be more precise about what you are asking for instance in using the word "material" do yo mean substance or fabric; in using the word "strongest" what type of strength are you looking for.
Leather is considered to be the most durable material for luggage.
The North Face Skareb 50 Backpack has light but durable parachute material which is why it is the strongest.
The single crochet stitch is the strongest crochet stitch for creating durable and long-lasting projects.
Gold is neither strong nor durable. It's heavy, soft, rare and non-corroding.Titanium and it's alloys, are the strongest.
GORILLA GLUE IS STRONGEST. more durable and easier to use
The most durable material for outdoor furniture is usually a hard rubber material.
Leather is regarded as the most durable traditional material for a handbag.
Leather is the most durable material for a hat. It is thick and last a long time.
There are many great options for shop doors that are strong and durable. You want to get a door that has a dead bolt lock and that is made of a sturdy material such as hard wood or metal.
The second strongest building material is obsidian even though it can't get blown up.
Nylon is the best material for creating a durable and long-lasting flag.
A durable and stylish material recommended for a cabinet top cover is quartz.