<http://schema.org/keywords>
"anniversary-cake,anniversary,box,bow,buttercream-rose,cake-buttercream,cake-wedding,cornelli,cornelli-lace,cake,fondant-bow,gift-box,gift,..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cakecentral.com/gallery/i/1172173/gift-box-tiered-cake>