Marijuana Silicone Ice Cube Mold This rather "dooby-ous" looking mold is perfect for making 8 little weed-shaped ice cubes, candies, gelatin treats, etc. Food-grade silicone rubber. Microwave, freezer, and dishwasher safe. 6.5" x 5" x 1.25". Not a toy. Intended for the adult consumer and not for children.