---
product_id: 63575797
title: "Bag, Whirl-Pak, 18oz, 4-1/2\" x 9\" Write-On (Package of 500)"
brand: "whirl-pak"
price: "KD 61.50"
currency: KWD
in_stock: true
reviews_count: 4
url: https://www.desertcart.com.kw/products/63575797-bag-whirl-pak-18oz-4-1-2-x-9-write
store_origin: KW
region: Kuwait
---

# Precise 4.5" x 9" size Bulk pack of 500 for uninterrupted workflow 18oz capacity for versatile samples Bag, Whirl-Pak, 18oz, 4-1/2" x 9" Write-On (Package of 500)

**Brand:** whirl-pak
**Price:** KD 61.50
**Availability:** ✅ In Stock

## Summary

> 🧬 Elevate your sample game with Whirl-Pak precision!

## Quick Answers

- **What is this?** Bag, Whirl-Pak, 18oz, 4-1/2" x 9" Write-On (Package of 500) by whirl-pak
- **How much does it cost?** KD 61.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/63575797-bag-whirl-pak-18oz-4-1-2-x-9-write)

## Best For

- whirl-pak enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Packaging:** 500 bags to keep your lab running without pause
- • **Write-On Surface:** Custom labeling for flawless sample tracking
- • **Lab-Ready Dimensions:** Optimized 4.5" x 9" size fits diverse specimen needs
- • **Generous 18oz Capacity:** Ample volume for reliable sample containment
- • **Durable & Leak-Resistant:** Secure seal ensures contamination-free transport

## Overview

Whirl-Pak 18oz specimen bags measure 4.5" x 9" and feature a write-on surface for easy labeling. Sold in a bulk pack of 500, these durable, leak-resistant bags are designed to streamline laboratory sample collection and transport with professional reliability.

## Description

Bag, Whirl-Pak, 18oz, 4-1/2" x 9" Write-On (Package of 500)

## Features

- Whirl-Pak 18oz write-on specimen collection bags
- Measures 4-1/2" x 9" for laboratory samples
- Package of 500 bags for scientific applications

## Images

![Bag, Whirl-Pak, 18oz, 4-1/2" x 9" Write-On (Package of 500) - Image 1](https://m.media-amazon.com/images/I/71Hy0HDMnRL.jpg)

## Questions & Answers

**Q: Are these bags sterile? What's the micron size of filter?**
A: they are not sterile

**Q: What is the material of construction?**
A: Whirl pak bags are blended polyethylene

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect Size!
*by B***R on August 6, 2025*

Perfect for small items or parts. Bags come with built in tie. A must have for organizing small items or parts!

### ⭐⭐⭐⭐⭐ Just right for lab samples.
*by L***M on May 24, 2021*

These are listed as one of the preferred packaging options for test samples being sent to a lab. With multiple size options, we like their versatility.

### ⭐⭐⭐⭐⭐ Plastic bags
*by N***A on November 7, 2019*

Been using this product for years. We use it to ship samples of our products to potential customers.

## Frequently Bought Together

- Bag, Whirl-Pak, 18oz, 4-1/2" x 9" Write-On (Package of 500)
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- Weigh Boats Medium (100ml, 125 Pack) Disposable Plastic Trays for Scale, Anti-Static Square Tray Weighing Dishes, Polystyrene Lab Dish for Powder Weight, Mixing Epoxy, Food Sample Container, Pour Boat

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**Shop now:** [https://www.desertcart.com.kw/products/63575797-bag-whirl-pak-18oz-4-1-2-x-9-write](https://www.desertcart.com.kw/products/63575797-bag-whirl-pak-18oz-4-1-2-x-9-write)

---

*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-02-19*