What am I?

1. I am about 15 centimetres wide and about 20 centimetres high.

2. I have a brown metal lining that can hold water.

3. I was once found in the forest but in a different form.

4. I was shaped and varnished to achieve my present form.

5. I look good with wild flowers.facing a brown tree. What goes inside is up to the owner.

Find out the answer next week...