US Greem 13" x 21" ECO STAT Vertical split, tamper-evident high security clear, deposit bags provide security and strength that exceeds bank and Federal requirements. The premier closure system on ECO STAT bags features our in-line "D-Tec" void tape for maximum tamper-evident security. The high-contrast warning, D-Tec strip, is viewable from both sides on clear bags greatly accelerating processing with no compromise to security. 2.5 Mil thick. Bags sold per case of 250.