Wooden Nesting Hot Mats
Made out of various hard wood scraps they can be used together as a single hot map or chained together as illustrated by the bottom of the photo to accommodate a longer casserole. The two trivets nest together for efficient storage.
Approx size: 9" across x 1/2" - 3/4" thick.
Can be made out of whatever wood you desire and in different sizes if needed.