Features Stand type with excellent light shielding and sealing properties. Five-layer film with excellent barrier properties (hard to pass oxygen and moisture). Spec Material: 5 layers film of PET, SPE, AL, SPE, and PE Physical properties: Moisture permeability rate/0.1 - 0.29g/30 day, Oxygen permeability/less than 1.0mL/m2 (24hatm) Operating temperature range: -40 to +90? Width x below chuck (mm): 110 x 170 Base width (mm): 33 Thickness (mm): 0.11 Quantity: 1 bag (50 sheets)