Item Name: CLOTH, WASHED COTTON Item No.: S233 Size/Weight: Cost: $22.00 Links:    Contact our Sales Dept at 510.223.7374   Description: This cloth would be the deposition site for all forensic evidence stains if we had our way. The thread size is good for antigen testing and electrophoresis and we’ve washed out anything that would leach out in solution during testing. Each piece is 15 inches wide and 27 inches long. Great for internal proficiency stain prep.