US Green 20" x 20" ECO STAT tamper-evident high security bags: 8 bundle, currency shipping bags are ideal for securing large shipments. The wide adhesive provides tamper-evident closure on both the inside and outside of bags and the red adhesive fracturing flap provides clear visual evidence of tampering. The ECO STAT Dual Seal is approved for use within the Federal Reserve System. Multiple bar codes ensure full compliance with the new Federal cash services requirements. Gauge: 4.0. These "8 bundle" bags are sold per case of 250.