tool storage 200pcs / Box Disposable Self Sealing Pouch for Materials (135 x 290mm) Specification: Condition: 100% Brand New Item Type: Self Sealing Pouch Quantity: 200pcs/box Features: After the pressure steam treatment, the indicator marks change from blue to brown; after the ethylene oxide treatment, the indicator marks change from pink to blue. Product Features: No need for a sealing machine, just tear off the sticker to paste, convenient and fast Size: Approx. 135 x 290mm / 5.3 x 11.4in Package List: 200 x Self Sealing Pouch Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.