Thick plastic! Very sturdy and highly recommend!

Great could see what was in each container

I love them and I will be buying more.

It is nice and sturdy. Perfect for the job.

Helped out for its purpose

Great deal for what I was looking for

I like the clear totes for storage so i can see whats inside

Great container for the price.

Clear, strong, top fits great!

This is really nice, limits the labeling because you can see through to know items that are packed.