---
product_id: 516923572
title: "20 Pack A3 Black Foam Board, 5mm Foamboard Large Thick Polystyrene Foam Core Backing Board, Black Mat Board Center Poster Board for Photo Mount, Art Crafts, Wedding Project 420 x 297mm"
brand: "kohand"
price: "₨28897"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/516923572-20-pack-a3-black-foam-board-5mm-foamboard-large-thick
store_origin: LK
region: Sri Lanka
---

# 20 pcs, 420x297mm A3 size Matte black, sleek & professional 5mm thick, clean cuts every time 20 Pack A3 Black Foam Board, 5mm Foamboard Large Thick Polystyrene Foam Core Backing Board, Black Mat Board Center Poster Board for Photo Mount, Art Crafts, Wedding Project 420 x 297mm

**Brand:** kohand
**Price:** ₨28897
**Availability:** ✅ In Stock

## Summary

> 🖤 Elevate your projects with sleek, sturdy style—because your ideas deserve the best!

## Quick Answers

- **What is this?** 20 Pack A3 Black Foam Board, 5mm Foamboard Large Thick Polystyrene Foam Core Backing Board, Black Mat Board Center Poster Board for Photo Mount, Art Crafts, Wedding Project 420 x 297mm by kohand
- **How much does it cost?** ₨28897 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/516923572-20-pack-a3-black-foam-board-5mm-foamboard-large-thick)

## Best For

- kohand enthusiasts

## Why This Product

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

## Key Features

- • **Risk-Free Purchase:** 30-day hassle-free refund policy—confidence in every pack
- • **Creative Flexibility:** Cut, fold, paint, and paste without jagged edges—your imagination’s best canvas
- • **Durable & Lightweight:** High-density polystyrene foam that’s easy to carry and built to last
- • **Precision-Cut Perfection:** Neat edges and exact A3 dimensions for flawless presentation
- • **Versatile Crafting Essential:** Ideal for photo mounting, wedding decor, art projects, and professional displays

## Overview

The KOHAND 20 Pack A3 Black Foam Board features 5mm thick, high-density polystyrene foam with a matte black finish. Each precisely cut 420 x 297mm board offers durability and flexibility, perfect for professional photo mounting, art crafts, wedding projects, and more. Lightweight and easy to handle, these boards ensure clean cuts and smooth edges, backed by a 30-day satisfaction guarantee.

## Description

20 Pack A3 Black Foam Board, 5mm Foamboard Large Thick Polystyrene Foam Core Backing Board, Black Mat Board Center Poster Board for Photo Mount, Art Crafts, Wedding Project 420 x 297mm

## Features

- POLYSTYRENE FOAM SHEET - Our black 5mm foamboard are made of polystyrene. This is a high-quality foam with a high density, compact and durable, and can be used many times. They are matte black, lightweight, and easy to carry.
- ABOUT SIZE - When you open the package, you will see 20pcs of large black foam boards. they are 16.5 x 11.8 inch in size and 1/5 inch thick. they are precisely cut and have neat edges. You can also cut them to fit your project needs.
- EASY TO USE - These A3 black foam boards are very flexible and have good malleability. When you cut them with a hobby knife, they will not leave jagged edges. They are suitable for craft, you can cut, fold, splice, paste, wrap, paint and draw on them as well.
- MULTI - APPLICTION - Our foam backing boards are versatile and they are suitable for many craft projects such as making models, display boards, wedding moon boards, photo backing boards, artwork backdrops, and more. You can make them with creative imagination!
- ABOUT RETURNS - If you're hesitant to place an order because of concerns about returns, there is no need at all. Our refund policy is clear and unambiguous. For any reason, if the foam core board is not as good as you expected, you can get a refund within 30 days.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | KOHAND |
| Brand | KOHAND |
| Package Dimensions | 42.6 x 31.2 x 11.2 cm; 560 g |
| Manufacturer Part Number | ADUK-22121917 |
| Item Weight | 560 g |

## Images

![20 Pack A3 Black Foam Board, 5mm Foamboard Large Thick Polystyrene Foam Core Backing Board, Black Mat Board Center Poster Board for Photo Mount, Art Crafts, Wedding Project 420 x 297mm - Image 1](https://m.media-amazon.com/images/I/61x+-V8MAwL.jpg)
![20 Pack A3 Black Foam Board, 5mm Foamboard Large Thick Polystyrene Foam Core Backing Board, Black Mat Board Center Poster Board for Photo Mount, Art Crafts, Wedding Project 420 x 297mm - Image 2](https://m.media-amazon.com/images/I/51GKURMgE2L.jpg)
![20 Pack A3 Black Foam Board, 5mm Foamboard Large Thick Polystyrene Foam Core Backing Board, Black Mat Board Center Poster Board for Photo Mount, Art Crafts, Wedding Project 420 x 297mm - Image 3](https://m.media-amazon.com/images/I/716WYHmMj0L.jpg)
![20 Pack A3 Black Foam Board, 5mm Foamboard Large Thick Polystyrene Foam Core Backing Board, Black Mat Board Center Poster Board for Photo Mount, Art Crafts, Wedding Project 420 x 297mm - Image 4](https://m.media-amazon.com/images/I/61h+ZI5jYgL.jpg)
![20 Pack A3 Black Foam Board, 5mm Foamboard Large Thick Polystyrene Foam Core Backing Board, Black Mat Board Center Poster Board for Photo Mount, Art Crafts, Wedding Project 420 x 297mm - Image 5](https://m.media-amazon.com/images/I/41M1ygfw0cL.jpg)

## Frequently Bought Together

- KOHAND 20 Pack A3 Black Foam Board, 5mm Foamboard Large Thick Polystyrene Foam Core Backing Board, Black Mat Board Center Poster Board for Photo Mount, Art Crafts, Wedding Project 420 x 297mm
- BENECREAT 4mx25cm Black Self Adhesive Velvet Flock Liner Velvet Fabric (0.8mm thick) for Jewelry Drawer Craft Fabric Upholstery Peel Sticker
- 5Pcs Box Latch 1.18"x 0.94" Golden Wood Chest Lock Latch Clasp with Screws for Jewellery Box Suitcase Decoration, Golden

---

## 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.lk/products/516923572-20-pack-a3-black-foam-board-5mm-foamboard-large-thick](https://www.desertcart.lk/products/516923572-20-pack-a3-black-foam-board-5mm-foamboard-large-thick)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-16*