Sale Unit: Each Package Dimensions: 30.48 L x 0.025 H x 30.48 W (centimeters) Package Weight : 0.7 pounds Country of Origin : United States R.S. Hughes carries a large selection of product shapes and sizes to help best meet your specific applications. Width, length & height are some of the more common measurements to consider. This product has a 12 (Dia.) in width. The Brady Spill Magnet seal is packaged 1 per case, 1 per pack and comes in black on yellow.