aking leak-proof forms for pouring custom castings is often a messy hassle, but can eliminate that headache. With interior dimensions measuring 18" long x 12" wide x 2" deep, it’s large enough to help you create small serving trays, end table tops and more using boards, casting resin and colorants. The single-piece mold has no seams that could leak, and its 5/8"-thick sidewalls are hefty enough to maintain their shape
