---
product_id: 298700911
title: "Reli. Poly Mailers 12x15.5 | 500 Pcs Bulk | Shipping Envelopes | White Packaging Bags for Shipping | Non-Padded Polymailers, Self Sealing Mailing Bags for Clothing, Bulk (White)"
brand: "reli."
price: "€ 151.97"
currency: EUR
in_stock: true
reviews_count: 8
category: "Reli."
url: https://www.desertcart.de/products/298700911-reli-poly-mailers-12x15-5-500-pcs-bulk-shipping-envelopes
store_origin: DE
region: Germany
---

# 500 pcs bulk for high-volume shipping Strong self-seal adhesive, tamper-evident Tear-proof, moisture-resistant polyethylene Reli. Poly Mailers 12x15.5 | 500 Pcs Bulk | Shipping Envelopes | White Packaging Bags for Shipping | Non-Padded Polymailers, Self Sealing Mailing Bags for Clothing, Bulk (White)

**Brand:** reli.
**Price:** € 151.97
**Availability:** ✅ In Stock

## Summary

> 🚀 Ship Smart, Ship Secure: Elevate Your Packaging Game with Reli.

## Quick Answers

- **What is this?** Reli. Poly Mailers 12x15.5 | 500 Pcs Bulk | Shipping Envelopes | White Packaging Bags for Shipping | Non-Padded Polymailers, Self Sealing Mailing Bags for Clothing, Bulk (White) by reli.
- **How much does it cost?** € 151.97 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/298700911-reli-poly-mailers-12x15-5-500-pcs-bulk-shipping-envelopes)

## Best For

- reli. enthusiasts

## Why This Product

- Trusted reli. brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Privacy First:** Opaque white exterior with dark lining keeps your contents confidential and professional.
- • **Seal the Deal:** Peel-and-stick self-seal closure ensures tamper-evident security—no tape needed.
- • **Bulk Powerhouse:** 500 premium poly mailers to keep your shipping game unstoppable.
- • **Versatile & Reliable:** Perfect for clothing, blankets, and everyday non-fragile shipments—trusted by thousands daily.
- • **Durability Meets Design:** Thick, tear-resistant material shields your items from rain, dirt, and punctures.

## Overview

Reli. Poly Mailers 12x15.5 come in a bulk pack of 500 durable, tear-proof, and moisture-resistant white polyethylene bags. Featuring a strong self-seal adhesive for tamper-evident closure and an opaque design for privacy, these mailers are ideal for shipping clothing and non-fragile items efficiently and securely.

## Description

Buy Reli. Poly Mailers 12x15.5 | 500 Pcs Bulk | Shipping Envelopes | White Packaging Bags for Shipping | Non-Padded Polymailers, Self Sealing Mailing Bags for Clothing, Bulk (White): Everything Else - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Mailers - A little thin compared to some mailers. But they work just fine!
Review: great quality - We ship out approx. 30 orders a day that we use these bags for and we have never had a complaint yet from a customer saying that the package was opened because the adhesive wasn't sticky enough. We have gone through a couple thousand of these bags.

## Features

- Bulk Quantity: Includes 500 white poly mailers sized at 12x15.5 inches, offering exceptional quality and value for your shipping needs.
- Tear-Proof Construction: Made of thick, tear-resistant polythlene material, our glossy white poly mailers ensure your contents remain protected from liquids, dirt, moisture & punctures during transit. Avoiding damage from rain or snow.
- Strong Self Seal: Simply peel to expose strong adhesive for a tamper evident seal - no tape needed! Our mailer bags are incredibly versatile and suitable for non fragile items like clothing, blankets and more.
- Privacy Guaranteed: With a white outer surface and dark inner lining, our poly bags offer an opaque design ensuring that the contents remain completely hidden from view during transit
- Rely on Reli.:Convenient & Quality packaging / shipping bags for clothing and everyday items. Keep scrolling to choose from a range of sizes available for your specific shipping needs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08WRK3ZLR |
| Best Sellers Rank | #9,145 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #46 in Bulk Envelope Mailers |
| Brand | Reli. |
| Closure | Self-Seal |
| Color | White (500 Pcs) |
| Customer Reviews | 4.5 4.5 out of 5 stars (810) |
| Date First Available | February 17, 2021 |
| Item Weight | 10.76 pounds |
| Item model number | RLT-PM-12155 |
| Manufacturer | Reli |
| Manufacturer Part Number | RLT-PM-12155 |
| Material Type | Plastic |
| Number of Items | 500 |
| Product Dimensions | 13.1 x 10 x 4.1 inches |
| Shape | Rectangular |
| Size | 12" x 15.5" | 500 Pack |

## Product Details

- **Brand:** Reli.
- **Closure Type:** Self-Seal
- **Color:** White (500 Pcs)
- **Material:** Plastic
- **Number of Items:** 500

## Images

![Reli. Poly Mailers 12x15.5 | 500 Pcs Bulk | Shipping Envelopes | White Packaging Bags for Shipping | Non-Padded Polymailers, Self Sealing Mailing Bags for Clothing, Bulk (White) - Image 1](https://m.media-amazon.com/images/I/714uJ-bjncL.jpg)
![Reli. Poly Mailers 12x15.5 | 500 Pcs Bulk | Shipping Envelopes | White Packaging Bags for Shipping | Non-Padded Polymailers, Self Sealing Mailing Bags for Clothing, Bulk (White) - Image 2](https://m.media-amazon.com/images/I/71D3v+lRc-L.jpg)
![Reli. Poly Mailers 12x15.5 | 500 Pcs Bulk | Shipping Envelopes | White Packaging Bags for Shipping | Non-Padded Polymailers, Self Sealing Mailing Bags for Clothing, Bulk (White) - Image 3](https://m.media-amazon.com/images/I/71IZMcAIYHL.jpg)
![Reli. Poly Mailers 12x15.5 | 500 Pcs Bulk | Shipping Envelopes | White Packaging Bags for Shipping | Non-Padded Polymailers, Self Sealing Mailing Bags for Clothing, Bulk (White) - Image 4](https://m.media-amazon.com/images/I/71n48TkGZoL.jpg)
![Reli. Poly Mailers 12x15.5 | 500 Pcs Bulk | Shipping Envelopes | White Packaging Bags for Shipping | Non-Padded Polymailers, Self Sealing Mailing Bags for Clothing, Bulk (White) - Image 5](https://m.media-amazon.com/images/I/8121+nT6QNL.jpg)

## Available Options

This product comes in different **Number Of Items** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Mailers
*by A***R on December 2, 2025*

A little thin compared to some mailers. But they work just fine!

### ⭐⭐⭐⭐⭐ great quality
*by K***R on October 29, 2025*

We ship out approx. 30 orders a day that we use these bags for and we have never had a complaint yet from a customer saying that the package was opened because the adhesive wasn't sticky enough. We have gone through a couple thousand of these bags.

### ⭐⭐⭐⭐⭐ Great product - does the job well
*by M***D on November 8, 2025*

Good adhesive quality and good quality bags

## Frequently Bought Together

- Reli. Poly Mailers 12x15.5 | 500 Pcs Bulk | Shipping Envelopes | White Packaging Bags for Shipping | Non-Padded Polymailers, Self Sealing Mailing Bags for Clothing, Bulk (White)
- KKBESTPACK 10x13 Poly Mailers Self Sealing Shipping Envelopes CPB68 Waterproof Postal Bags (White,10x13 Pack of 1000)

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**Shop now:** [https://www.desertcart.de/products/298700911-reli-poly-mailers-12x15-5-500-pcs-bulk-shipping-envelopes](https://www.desertcart.de/products/298700911-reli-poly-mailers-12x15-5-500-pcs-bulk-shipping-envelopes)

---

*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-02-07*