Mailer Boxes 155×100×20mm – Self Locking Mailing Box Fits in Aus Post Small Satchels

Mailer Boxes 155 × 100 × 20mm Lightweight Self Locking Mailing Boxes | Eco-Friendly | 100 Pack Ship small products securely and professionally with our 155 × 100 × 20mm Die-Cut Mailer Boxes. Designed with a compact, slim profile and convenient self-locking closure, these lightweight corrugated mailers provide excellent protection without adding unnecessary packaging weight. With an external size of 160 × 102 × 22mm, these boxes are designed to fit conveniently inside Australia Post Small Satchels, making them a practical and economical packaging solution for eCommerce businesses, retailers and online sellers. 📦 Product Details Box Type: Die-Cut Self-Locking Mailer Box Internal Dimensions: 155 × 100 × 20mm External Dimensions: 160 × 102 × 22mm Size: 15.5 × 10 × 2cm Weight: 20g per box Bundle Measurement: 520 × 300 × 200mm Closure: Self-Locking / Tape-Free Material: Corrugated Cardboard Colour: White Pack Size: 100 Boxes Custom Branding: Logo printing available ⭐ Key Features Lightweight 20g construction helps minimise packaging weight Strong and durable corrugated cardboard Self-locking die-cut design No tape or glue required for closure Compact and slim profile Designed to fit inside Australia Post Small Satchels Recyclable and eco-conscious packaging Clean, professional appearance Easy to assemble and pack Ideal for high-volume eCommerce fulfilment Available in a convenient 100-box pack Custom logo printing available 📦 Usage & Applications These compact 155 × 100 × 20mm mailer boxes are ideal for securely shipping small, lightweight products. Perfect For: eCommerce orders Jewellery and accessories Mobile phone accessories Small electronics Cosmetics and beauty products Small fashion accessories Gifts and promotional items Samples and sample kits Subscription box inserts Greeting cards and stationery Small retail products Online marketplace orders Direct-mail packaging 🚚 Australia Post & Satchel Shipping The slim 160 × 102 × 22mm external dimensions make these die-cut mailers suitable for placing inside Australia Post Small Satchels. This combination provides an additional layer of structure and product protection while maintaining a compact shipping profile. The lightweight 20g box weight is also useful for businesses looking to keep packaging weight and postage costs under control. 🌱 Eco-Friendly Packaging Made from corrugated cardboard, these mailer boxes provide a recyclable alternative to plastic-based packaging. Their lightweight construction also helps reduce unnecessary packaging material while providing reliable protection for small products. 🏷️ Custom Logo Printing Make your packaging part of your brand experience with custom logo printing. Add your business logo to create a professional appearance, strengthen brand recognition and enhance the customer unboxing experience. Why Choose These Die-Cut Mailer Boxes? ✔ 155 × 100 × 20mm internal size ✔ Lightweight 20g per box ✔ Self-locking, tape-free design ✔ Strong corrugated cardboard construction ✔ Fits inside Australia Post Small Satchels ✔ Ideal for small eCommerce products ✔ Compact and postage-friendly ✔ Recyclable and eco-conscious ✔ 100-box pack ✔ Bundle measurement: 52 × 30 × 20cm ✔ Custom logo printing available