No Junk Mail Stickers | Custom Mailbox & Letterbox Vinyl Decals

Stop Junk Mail for Good: Custom Mailbox & Letterbox Stickers

Keep your letterbox clear of massive supermarket catalogues, unsolicited flyers, and real estate spam with these highly visible No Junk Mail stickers. Available in six sizes and two colours, there is a perfect option for every letterbox — from compact residential slots to large commercial mail panels.

Available Sizes & Shapes

• Small Round 50mm – Compact and clean, ideal for modern stainless steel letterboxes
• Small Rectangle 50x90mm – The most common Australian residential letterbox format
• Medium Round 100mm – Larger round format for maximum visibility
• Medium Rectangle 100x180mm – Bold landscape format for larger letterbox faces
• Large Round 200mm – High-visibility round for commercial or oversized letterboxes
• Large Rectangle 200x360mm – Maximum impact for commercial mail slots and apartment buildings

Available Colours

• Red and White – Classic high-visibility, unmissable from the street
• Black and White – Sleek and modern, perfect for stainless steel or rendered minimalist letterboxes

Manufactured in Cornubia, Brisbane

Every sticker is produced in-house at our Cornubia workshop using a commercial-grade Mimaki CJV150-75 printer and genuine SS21 Eco-Solvent inks. The bold lettering stays sharp, vibrant, and fully legible — no matter how many Australian summers it sits on your letterbox.

Key Features

• 100% waterproof and heavily UV-resistant — won't fade or peel in the harsh Australian sun
• 7+ year outdoor durability rating
• Vinyl cut with no background for a clean, professional finish on any surface
• Applies cleanly and removes without sticky residue
• 100% Australian Made and Designed in Cornubia, Brisbane

How to Apply

1. Clean the surface thoroughly with warm soapy water and allow to dry.
2. Peel the backing from the sticker carefully.
3. Position the sticker on your surface and press firmly from the centre outward.
4. Slowly peel away the transfer tape at a low angle, leaving the decal in place.
5. Run your finger or a card over the sticker to remove any air bubbles.