---
product_id: 651418981
title: "Blank Postcards for Mailing, 80 Post Cards for Mailing, 300 GSM White 4 x 6 inches Cardstock Paper Mailable Printable Postcards Bulk for Birthday, Thank You, Business Postcards"
brand: "coidea"
price: "HK$141"
currency: HKD
in_stock: true
reviews_count: 8
category: "Coidea"
url: https://www.desertcart.hk/products/651418981-blank-postcards-for-mailing-80-post-cards-for-mailing-300
store_origin: HK
region: Hong Kong
---

# 300 GSM premium heavyweight cardstock 4 x 6 inches perfect mailing size 80 USPS-compliant postcards Blank Postcards for Mailing, 80 Post Cards for Mailing, 300 GSM White 4 x 6 inches Cardstock Paper Mailable Printable Postcards Bulk for Birthday, Thank You, Business Postcards

**Brand:** coidea
**Price:** HK$141
**Availability:** ✅ In Stock

## Summary

> 📬 Send Bold, Stand Out Always!

## Quick Answers

- **What is this?** Blank Postcards for Mailing, 80 Post Cards for Mailing, 300 GSM White 4 x 6 inches Cardstock Paper Mailable Printable Postcards Bulk for Birthday, Thank You, Business Postcards by coidea
- **How much does it cost?** HK$141 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/651418981-blank-postcards-for-mailing-80-post-cards-for-mailing-300)

## Best For

- coidea enthusiasts

## Why This Product

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

## Key Features

- • **Customizable Canvas:** Matte front and lined back offer endless creative freedom—write, paint, or print your unique message.
- • **Bulk Ready for Impact:** 80 postcards designed to meet all U.S. postal regulations—just stamp and send, no envelope needed.
- • **Cost-Effective Connection:** Save on postage while adding a personal touch that beats generic e-cards every time.
- • **Versatility for Every Occasion:** Ideal for birthdays, thank you notes, business promos, or creative projects—your all-in-one mailing solution.
- • **Premium Feel, Professional Appeal:** Crafted from thick 300 GSM cardstock for a smooth, high-quality writing and printing experience.

## Overview

COIDEA Blank Postcards come in a bulk pack of 80, each postcard measuring 4 x 6 inches and made from premium 300 GSM white cardstock. Fully compliant with U.S. postal standards, these postcards feature a printable matte front and a lined back, perfect for personal or professional use. Whether for birthdays, business, or creative expression, they offer a cost-effective, high-quality mailing option that delivers your message with style and impact.

## Description

desertcart.com : COIDEA Blank Postcards for Mailing, 80 Post Cards for Mailing, 300 GSM White 4 x 6 inches Cardstock Paper Mailable Printable Postcards Bulk for Birthday, Thank You, Business Postcards : Office Products

Review: Postcards - Seem like ok postcards. Writing and drawing on these. No issues.
Review: Good quality - Ordered before I use them a lot

## Features

- PACKAGE INCLUDES: You'll receive 80 blank postcards for mailing, meeting all U.S. postal regulations for postcards. Just address, stamp, and send without an envelope! These postcards in bulk fulfill your daily needs and those of your family and friends
- BLANK POSTCARDS FOR MAILING: These blank postcards feature a printable matte front and a clear printed-lined back. Express yourself by writing, painting, or printing whatever you desire on the front, and share your thoughts on the back. Blank postcards allow you to express your thoughts as you wish
- SAVE MONEY ON POSTAGE: For people, sending a postcard is a more economical choice compared to note cards with envelopes. And it's a more personal touch than a generic e-card! Suitable for birthdays, appreciation, anniversaries, or any other occasion
- PREMIUM POSTCARDS: Our blank postcards bulk are crafted from 300GSM heavyweight white cardstock, ensuring a smooth writing experience with thick, premium paper. The back of the postcard is clearly printed, guaranteeing your thoughts are conveyed clearly and accurately
- VERSATILE POSTCARDS: These blank post cards for mailing are perfect for schools, businesses, and daily use as birthday cards, surprise notes, thank-you cards, or even for kids' artwork. Your practical choice for postcards, and ensuring customer satisfaction is our top priority. If you're not satisfied with our postcards, please reach out, and we'll assist you promptly

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CX4S5GD4 |
| Best Sellers Rank | #30,605 in Office Products ( See Top 100 in Office Products ) #34 in Postcards |
| Brand | COIDEA |
| Color | White |
| Customer Reviews | 4.6 4.6 out of 5 stars (250) |
| Date First Available | June 6, 2024 |
| Item Weight | 12.7 ounces |
| Manufacturer | COIDEA |
| Manufacturer Part Number | CBT69 |
| Number of Items | 80 |
| Product Dimensions | 3.94 x 5.91 x 0.1 inches |
| Size | 4 x 6 inches |

## Images

![Blank Postcards for Mailing, 80 Post Cards for Mailing, 300 GSM White 4 x 6 inches Cardstock Paper Mailable Printable Postcards Bulk for Birthday, Thank You, Business Postcards - Image 1](https://m.media-amazon.com/images/I/61FBSSyvmHL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Postcards
*by K***N on December 17, 2025*

Seem like ok postcards. Writing and drawing on these. No issues.

### ⭐⭐⭐⭐⭐ Good quality
*by M***N on January 8, 2026*

Ordered before I use them a lot

### ⭐⭐⭐⭐⭐ Perfect for my project!
*by N***. on March 2, 2025*

They were a good choice for me and a perfect size and weight for my project.I use them to put images of my paintings on to send out to customers. Sandra Cherry Jones

## Frequently Bought Together

- COIDEA Blank Postcards for Mailing, 80 Post Cards for Mailing, 300 GSM White 4 x 6 inches Cardstock Paper Mailable Printable Postcards Bulk for Birthday, Thank You, Business Postcards
- Set of 50 Brown Kraft Paper Blank Cardstock Postcards Pack - Self Mailer Mailing Side Postcards Bulk 50 Pack Postage Saver - 4 x 6 Inches
- Sailboats Postcard Stamps (2 Sheets (40 Stamps))

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hk/products/651418981-blank-postcards-for-mailing-80-post-cards-for-mailing-300](https://www.desertcart.hk/products/651418981-blank-postcards-for-mailing-80-post-cards-for-mailing-300)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-07*