Kraft Club 

Retro Green and Black Tin Lunch Pail Buckets with Lids Set of 2 NWTs 4.25 & 3 in
Large is 4.25 inches wide and approx 4.25 inches in diameter
Small is 3 inches high and 3.5 inches in diameter
New with tags
Are primarily for decorative purposes 
Painted inside and out 
As shown
Do not know if these are food safe or not as it is not labeled as such
I would suggest decorative purposes only.