Best Mail Slot Cover

Xfort MailPlate 12" Letterplate Matt Black, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for Wooden, Composite and uPVC Midrail Doors with 40-80mm Door Thickness.

Post Boxes Wall Mounted Waterproof, Steel Mail Box with 2 Keys, Lockable Weatherproof Large Letter Lostal Boxes for Outside or Door,‎9 x 21.5 x 32 cm size

Keypak 12 inch (30.6cm) Door Letterbox - Fits 40-80mm Doors, Anti-Snap Flap, Internal Draught Excluder, Adjustable Letter Box for UPVC Composite Wood Doors (Silver/Polished Silver)

Letterbox Cage | No Fixings Required | Mail Catcher Cage | Iron Basket Post Catcher | Door Letter Guard | Outdoor & Indoor Holder for Letters | M&W

Xfort MailPlate 10" Letterplate Polished Chrome, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for uPVC Doors with 20-40mm Door Thickness.

Letter Box Catcher - for Mail Letters, Sticks to Letterbox no Screws Required - Protects Your Post (Black, Standard)

Xfort MailPlate Luxe 12" Letterplate White, Premium Draught Proof Postal Letterbox, Telescopic Sleeved Letter Box for uPVC Doors with 20-40mm Door Thickness.

Internal Letterbox Draught Excluder 13.5 Inch (34.2cm) PVC Draught Letter Plate Seal Letter Box Flap - Prevents Draughts Coming Through The Letter Box - for Wooden or uPVC Doors - White with Flap

Internal Letterbox Draught Excluder 11.5 Inch (29.3cm) Metal Draught Letter Plate Seal Letter Box Flap - Prevents Draughts Coming Through The Letter Box - for Wood or uPVC Doors - Silver

Nevkha Letter Box Catcher for Mail, Letters, Post, Small Packages. Alternative to Letterbox Cage, No Screws Required Will Attach to Doors and Letterboxes with Strong Adhesive (White Transparent)