Office Depot Metallic Padded Mailer Plain Peel and Seal 80gsm C/0 100 Office Depot Metallic Padded Mailer. Paperweight: 80 g/m_. Art Of Lock: Peel and Seal. Window: No. Cardboard backside: No. Envelope Quality: Standard. Hot Melt: No. Standardized Envelope Format: C/0. Diameter: 10 mm. Width: 150 mm. Depth: 6 mm. Height: 210 mm. Colour: Red. Quantity: 100 Pieces.