High visibility void message reveals tampering attempts. Special thermochromic ink turns red when subjected to heat. Patented triple-seal closure with interior adhesive leaves no openings once sealed. Security micro perforation immediately reveals attempts to pull closure up. Anti-static liner does not cling to hands and clothes, speeding up processing. Aqua detect ink reveals exposure to fluids. Large serial numbers and barcodes for easy tracking via CCTV. Security border and micro printing prevent cutting and resealing.