Stormguard Letterbox Seal. Effective performance against draughts. Intermeshing, twin polypropylene brush design. Minimal installation required. Hardwearing. The 4Trade brand represents trade quality and value for money. Plated steel screws with hinged flap to cover brushes. PVC - wipe clean finish. Pre-drilled fixing holes. Prevents draughts coming through the letter box with draught proof brushes. Quick and easy to fit, with pre-drilled fixing holes and screws. Fixings Included.