Dynarex Self-Seal Sterilization Pouches 3-1/2" x 9" (4462). Self-sealing so no tape or heat sealing needed. Blue-tinted transparent cover makes it easy to detect contamination. Internal and external color-changing indicators assure proper processing in chemical vapor, steam, or ethylene oxide (EO) gas sterilization. Latex free. 200/BX. Priced per box.