Office Depot business envelopes C6. Ideal for important letters. Paperweight: 80 g/m_. Format: C6. Cardboard backside: no. Envelope quality: standard. Envelope type: plain. Hot melt: no. Material: paper. Printed interior: yes. Seal: self-seal. Stamp: yes. Height: 114 g. Width: 162 mm. Colour: white. Quantity: 1000 pieces.