What is this made of? And why isn’t it part of the listed specs?
Amazon says
Metal alloy cast; will not chip, break or crack
Sorry for late reply.
The offers have been updated with dimensions.
Here:
Wilton Armetale Metro Rectangular Tray - Aluminum-based alloy, 12” x 6”
http://www.woot.com/offers/wilton-armetale-metro-rectangular-tray-3
Wilton Armetale Metro 7" Square Bowl – Metal alloy cast, 7” x 7” x 3”
http://www.woot.com/offers/wilton-armetale-metro-7-square-bowl-2