The Mylar film used in these bags exhibits outstanding resistance to chemicals, making them suitable for storing and transporting corrosive substances, laboratory samples, and hazardous materials. Features of Die cut mylar bags Features of Die cut mylar bags Mylar film provides an excellent moisture barrier, protecting contents from humidity, moisture, and vapor. Moisture Barrier Die-cut Mylar bags are impermeable to oxygen, preventing oxidation and spoilage of oxygen-sensitive items like pharmaceuticals, vitamins, and delicate electronics. Oxygen Barrier Chemical Resistance Puncture Resistance UV Protection Tamper-Evident Die cut Mylar bags are highly puncture- resistant, safeguarding delicate or sharp objects from external damage during handling and transportation. Mylar film provides excellent UV protection, shielding contents from harmful ultraviolet radiation that can cause degradation or discoloration of sensitive items. Die cut Mylar bags can be designed with tamper-evident features like seals or tear notches, providing visual cues to detect any tampering or unauthorized access