---
product_id: 106181616
title: "Seward Laboratory 030020219 Stomacher 400 Classic Closure Bag (Pack of 250)"
brand: "seward laboratory"
price: "R12695"
currency: ZAR
in_stock: true
category: "Seward Laboratory"
url: https://www.desertcart.co.za/products/106181616-seward-laboratory-030020219-stomacher-400-classic-closure-bag-pack-250
store_origin: ZA
region: South Africa
---

# Pack of 250, bulk lab-ready Sterile gamma-irradiated barrier 65µm thick high-impact strength Seward Laboratory 030020219 Stomacher 400 Classic Closure Bag (Pack of 250)

**Brand:** seward laboratory
**Price:** R12695
**Availability:** ✅ In Stock

## Summary

> 🧬 Elevate your lab game with sterile strength and seamless precision!

## Quick Answers

- **What is this?** Seward Laboratory 030020219 Stomacher 400 Classic Closure Bag (Pack of 250) by seward laboratory
- **How much does it cost?** R12695 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/106181616-seward-laboratory-030020219-stomacher-400-classic-closure-bag-pack-250)

## Best For

- seward laboratory enthusiasts

## Why This Product

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

## Key Features

- • **Lab-Optimized Bulk:** Pack of 250 single-chamber bags designed specifically for lab blenders—always ready when you are.
- • **Sterile Confidence:** Gamma-irradiated bags ensure contamination-free sample handling every time.
- • **Seamless Efficiency:** No side seams and a wide bottom seal for leak-proof, hassle-free sample processing.
- • **Unmatched Durability:** 65µm thick polyethylene delivers 9.2MPa tensile strength and 27.1MPa ultimate strength—even in low temps.
- • **User-Friendly Design:** Patented tear-off sterile barrier top for quick, clean access without compromising sterility.

## Overview

The Seward Laboratory 030020219 Stomacher 400 Classic Closure Bags are sterile, gamma-irradiated polyethylene bags with 65µm thickness, offering exceptional tensile and ultimate strength. Designed without side seams and featuring a patented tear-off sterile barrier top, these single-chamber bags come in a bulk pack of 250, optimized for lab blender use and reliable sample containment.

## Description

Bag's internal sterility assured with patented tear-off sterile barrier top. Highly transparent and puncture-resistant virgin polyethylene extruded tube material. No side seams, one wide bottom seal. Simply tear the perforated end along the top, open, and insert the material to be analyzed and processed.

## Features

- Sterile (gamma-irradiated) polyethylene bags
- 65µm thick for high-impact strength (9.2MPa tensile, 27.1MPa ultimate) even at low temperatures
- Single-chamber bags for use in Lab Blenders
- No side seams, one wide bottom seal
- High level performance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01N2YU4QZ |
| Best Sellers Rank | #1,901,826 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #356 in Lab Sample Bags |
| Date First Available | December 29, 2016 |
| Item Weight | 0.141 ounces |
| Item model number | 030020219 |
| Manufacturer | Seward Laboratory Systems, Inc |
| Package Dimensions | 18 x 15 x 8 inches |

## Images

![Seward Laboratory 030020219 Stomacher 400 Classic Closure Bag (Pack of 250) - Image 1](https://m.media-amazon.com/images/I/31WN401kDeL.jpg)
![Seward Laboratory 030020219 Stomacher 400 Classic Closure Bag (Pack of 250) - Image 2](https://m.media-amazon.com/images/I/21dwfjiPuuL.jpg)
![Seward Laboratory 030020219 Stomacher 400 Classic Closure Bag (Pack of 250) - Image 3](https://m.media-amazon.com/images/I/31dvceK3kbL.jpg)
![Seward Laboratory 030020219 Stomacher 400 Classic Closure Bag (Pack of 250) - Image 4](https://m.media-amazon.com/images/I/51FR4GwqNPL.jpg)

## Frequently Bought Together

- Seward Laboratory 030020219 Stomacher 400 Classic Closure Bag (Pack of 250)
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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-10-03*