Ah... so cute! A mini shadowbox (approx. 3" x 4-1/2" inside dimension). About 1-1/4" deep (outside dimension).
With it's sturdy construction, it could also be the base for a small shrine. Ships flat, but easy to put together with a bit of glue.
180322RT 180311KB 180304TC gryGD 180322SC 180404BL 180520TC 181018KB