HDPE Color Polymailer Bag | Waterproof Courier Mailer Bags – Mint, Purple, Ice Blue & Silver
HDPE Color Polymailer Bags – Waterproof, Tear-Resistant Courier Mailers
Upgrade your packaging with MillionParcel HDPE Color Polymailer Bags – lightweight yet strong courier mailers built for secure, professional shipping. Made from durable HDPE (recycle code 2), these bags are 100% waterproof, tear-resistant, and finished with a strong spray-adhesive seal, making them the ideal choice for Singapore e-commerce sellers, home businesses, and F&B operators. Now available in 4 stylish colours to elevate your unboxing experience and brand identity.
🎨 Available in 4 Colours
- 💜 Purple – 0.08mm, semi-transparent
- 💚 Mint Green – 0.08mm, semi-transparent
- 💙 Ice Blue – 0.08mm, semi-transparent
- 🩶 Silver Emboss – 0.07mm, non-transparent (Budget / Light Item)
📏 Sizes & Pack Quantity
- W17 × L26 + 4cm – 100 pcs (All 4 colours)
- W20 × L31 + 4cm – 100 pcs (All 4 colours)
- W25 × L31 + 4cm – 100 pcs (All 4 colours)
- W28 × L38 + 4cm – 100 pcs (All 4 colours)
- W32 × L41 + 4cm – 100 pcs (All 4 colours)
- W38 × L48 + 4cm – 100 pcs (Silver Emboss only)
The "+4cm" refers to the self-adhesive flap for sealing. Bags are machine cut & counted, so expect around 5mm size variance and 1–3 pcs more or fewer per pack. This is normal.
💪 Key Features
- Waterproof – Keeps items dry and protected from rain and moisture.
- Tear-Resistant – New-material HDPE with strong toughness; not easy to break.
- Strong Adhesive Seal – Spray-adhesive technology with destructive, tamper-evident sealing.
- Good Weight-Bearing – Moderate thickness with reliable load support.
- Professional Finish – Firm sealing edge and clean crafting for a premium look.
📦 What Can You Ship?
Perfect for lightweight, non-fragile items such as clothes and apparel, cosmetics, accessories, books, and soft goods. A practical, cost-effective option that provides protection, security, and convenience for everyday courier and mailing needs.
📐 How to Choose the Right Size
- Width = Item Width + Height + 3cm
- Length = Item Length + Height + 2cm
Example: A book measuring W21 × L29 × H4cm → minimum (21+4+3) × (29+4+2) = 28 × 35. Choose the nearest bigger size for a comfortable fit — bigger is better.
🌈 Why Choose Colour Poly Mailer Bags?
- Branding & Identity – Custom colours boost brand recognition and elevate the unboxing experience.
- Perceived Value – A premium feel over plain mailers that builds customer trust in your products.
📋 How to Use
- 1. Choose the right size and insert your item, making sure it fits snugly.
- 2. Peel off the adhesive strip on the flap.
- 3. Fold over the flap and press down firmly to seal.
- 4. Label with the correct shipping address and tracking or barcodes.
❓ Frequently Asked Questions
Q: Are these polymailer bags waterproof?
A: Yes. HDPE polymailers are 100% waterproof and protect your items from rain and moisture during transit.
Q: What is the difference between the colour mailers and the silver mailer?
A: The colour mailers (Purple, Mint Green, Ice Blue) are 0.08mm semi-transparent HDPE. The Silver Emboss is 0.07mm, non-transparent, and lighter — a budget-friendly option for light items.
Q: How do I choose the correct polymailer size?
A: Use Width = item width + height + 3cm, and Length = item length + height + 2cm, then pick the nearest bigger size.
Q: How many pieces come in each pack?
A: Sizes W17×L26 to W32×L41 come in 100 pcs per pack. The largest W38×L48 comes in 50 pcs and is available in Silver Emboss only.
Q: What items are these mailers suitable for?
A: They are ideal for lightweight, non-fragile items such as clothes, cosmetics, accessories, books, and soft goods.
Q: Why is the pack quantity or size slightly different from the label?
A: The bags are machine cut and counted, so a 5mm size variance and 1–3 pcs difference per pack is normal.