---
product_id: 19220061
title: "4-Inch Wide Black EXTRA Heavy Knit Stretch ELASTIC 3 Yards by Prolastic"
brand: "prolastic"
price: "NT$729"
currency: TWD
in_stock: true
category: "Prolastic"
url: https://www.desertcart.tw/products/19220061-4-inch-wide-black-extra-heavy-knit-stretch-elastic-3
store_origin: TW
region: Taiwan
---

# 4-inch width for bold coverage Extra heavy knit for durability 68% polyester + 32% natural latex blend 4-Inch Wide Black EXTRA Heavy Knit Stretch ELASTIC 3 Yards by Prolastic

**Brand:** prolastic
**Price:** NT$729
**Availability:** ✅ In Stock

## Summary

> 🖤 Stretch Strong, Stand Out — Elastic That Means Business

## Quick Answers

- **What is this?** 4-Inch Wide Black EXTRA Heavy Knit Stretch ELASTIC 3 Yards by Prolastic by prolastic
- **How much does it cost?** NT$729 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/19220061-4-inch-wide-black-extra-heavy-knit-stretch-elastic-3)

## Best For

- prolastic enthusiasts

## Why This Product

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

## Key Features

- • **Wide & Visible Impact:** 4-inch width ensures your waistbands, cuffs, and bands stand out with professional finish.
- • **Preshrunk & Ready to Go:** Machine washable and dryable elastic that maintains shape without narrowing when stretched.
- • **Versatile Heavy-Duty Use:** Perfect for everything from exposed waistbands to EDC loops, sporting goods, and more.
- • **Trusted by Creators & Makers:** Highly rated by home sewers and pros alike for durability and multi-purpose functionality.
- • **Unmatched Strength & Stretch:** EXTRA heavy knit elastic delivers superior 'kick' and resilience for heavy fabrics and gear.

## Overview

Prolastic's 4-inch wide EXTRA heavy knit stretch elastic combines a durable 68% polyester and 32% natural latex rubber blend, designed for heavy-duty applications. Preshrunk and machine washable, it maintains its width and strength under tension, making it ideal for waistbands, cuffs, EDC gear loops, and more. Trusted by professionals and home sewers for its stiff, resilient stretch and lasting performance.

## Description

Description: This Prolastic Designer's Choice EXTRA heavy stretch knit elastic is designed to be a bit stiffer and offer more "kick" to its stretch than other elastics. it offers a stiff, strong stretch and can be used on heavier fabrics. The elastic will not narrow when stretched making it perfect for exposed waistbands on a gathered skirt or pants. It is also great for cuff bands and jacket waistbands. It can be used for waist bands, gloves, suspenders, belts, face mask straps, sporting goods, sweat bands, horse blankets and elastic pockets, among others. This elastic has already been preshrunk. It is machine washable and dryable, but do not expose to temperatures that exceed 200 degrees. 68% Polyester and 32% Natural Latex Rubber. Reel. 4 inch x 3 yard. Black.

## Features

- 4'' wide by 3 yards color black
- Braided woven knit specialty
- Great for waistbands, sleeves, legbands, scrunching and more
- 68-percent polyester 32-percent natural latex rubber
- EXTRA Heavy knit elastic perfect for home sewers and production

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01011CS02 |
| Best Sellers Rank | #277,672 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #582 in Sewing Elastic Bands |
| Customer Reviews | 4.6 4.6 out of 5 stars (190) |
| Date First Available | June 19, 2015 |
| Item Weight | 5 ounces |
| Item model number | 4337000327 |
| Manufacturer | Prolastic |
| Product Dimensions | 3 x 3 x 4 inches |

## Images

![4-Inch Wide Black EXTRA Heavy Knit Stretch ELASTIC 3 Yards by Prolastic - Image 1](https://m.media-amazon.com/images/I/71ssRJQ35sL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- 4-Inch Wide Black EXTRA Heavy Knit Stretch ELASTIC 3 Yards by Prolastic
- EBOOT Elastic Spool(6 Inch x 3 Yard, Black)
- RERIVER 3-inch Wide Black Heavy Knit Stretch Elastic Band 3 Yards Sewing Knit Elastic Spool

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**Shop now:** [https://www.desertcart.tw/products/19220061-4-inch-wide-black-extra-heavy-knit-stretch-elastic-3](https://www.desertcart.tw/products/19220061-4-inch-wide-black-extra-heavy-knit-stretch-elastic-3)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-10-11*