Self-sealing sterilization pouches, 135x260mm in size, are specialized packaging designed for sterilizing medical instruments and equipment. They typically feature a self-sealing adhesive strip to ensure a secure closure without the need for additional sealing equipment. These pouches are crucial in healthcare settings to maintain sterility before use and often come with indicators to show whether sterilization conditions have been met. They are available in various sizes to accommodate different instruments and equipment.