treo™ Pouches contain built-in internal & external steam indicators for complete confirmation. Indicators measure pressence of steam, time and temperature. Save time & money by eliminating the need for an additional indicator strip. Triple seal protection. Latex-Free. 3.5" x 5.25" Confirming sterilization parameters with Time, Temperature and Steam / Ethylene Oxide (EO) With Internal and external multi variable process indicators printed directed on the pouch Steam: Indicators turn from pink to cocoa when processed 30 min. at 121ºC or 4 min. at 134°C. EO: Indicators turn from blue to golden brown when processed 100-120 min at 50º C, 60-85% RH, and EO concentration of 600 mg/L. Clear film on the pouch Used with Steam and Ethylene Oxide (EO) Gas Sterilization Single Use, Non-Sterile, latex free Shelf Life 3 years pre sterilization Shelf life 1 year post sterilization