I saw the idea of a sand ceremony frame and just feel in LOVE with it, but as I started searching for a frame I became discouraged because the Umbra Ether frame has been discontinued and that seemed so perfect to use. I began searching and came across a Multi Glass Shadow Frame at hobby lobby online. Here is the address for it:
http://shop.hobbylobby.com/products/multi-layer-glass-shadow-frame-146969/