Two versions of this bracelet are available: brass and stainless steel. The Tree of Life charm is just over one inch across. Also, the bracelet is adjustable from 2.5 inches in diameter to 3.5 inches.
Tree of Life Bracelet Meaning
This page contains much more detail on the meaning of this symbol. For a very in-depth definition, please go to that page.
The short version is that it is commonly used to represent the cycle of birth, life, death and rebirth. The Bible mentions the Tree of Life, so it has a religious meaning as well. Finally, there is the scientific meaning, which represents evolution and that all living things are just “branches” on this tree. It also can be a symbol of personal growth.