Bags & Luggage

The Best Lab Sample Bags

This post contains affiliate links. As an Amazon Associate we earn from qualifying purchases.

Our picks are based on Amazon bestseller rankings, Amazon customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

Secure and reliable sample containment is crucial in laboratory settings to prevent contamination, ensure sample integrity, and maintain safety. Selecting the appropriate lab sample bags can significantly impact research accuracy and operational efficiency. This guide will help you navigate the key features to consider when making your choice.

No. 1
Bag, Whirl-Pak, 18oz, 4-1/2" x 9" Write-On (Package of 500)
  • Whirl-Pak 18oz write-on specimen collection bags
  • Measures 4-1/2" x 9" for laboratory samples
  • Package of 500 bags for scientific applications
SaleNo. 2
Nasco Whirl-Pak Sterile Write-On Sample Bags Leak-Proof Lab Bags 710 mL (24 oz) Writeable Area, Ideal for...
  • STERILE: Pre-sterilized for safe, contamination-free lab, food, water, and field sampling.
  • SEAL: Whirl closure creates a tight, leak-resistant seal reviewers trust for liquids and transport.
  • WRITE-ON: Built-in labeling area makes sample identification quick, clear, and reliable.
  • DURABLE: Thick plastic resists tearing and punctures during handling and storage.
No. 3
Nasco Whirl-Pak B00992WA Sample Bag, 180mm L x 95mm W, 0.076mm Thickness, 207ml Capacity (Box of 500)
  • Polyethylene
  • Supplied sealed
  • Bags should not be used at temperatures above 180° F (82° C).
  • Capacity is measured in fluid ounces when the bag is closed and tab is folded over.
No. 4
GPI - 6" X 9" 100 Pack, Biohazard Specimen Zip Bags, With Pouch, 2 Mil Thick, For Your Laboratory Or Health...
  • MATERIAL - Clear plastic all virgin low-density polyethylene. Non Toxic & Odorless - Freezer safe.
  • QUALITY - Waterproof, moistureproof & dustproof, airtight zip bags are strong & durable, seals with sturdy lock zip for enhanced usability, ensuring safe transporting & storage medical specimens.
  • FEATURES - These bags come with an outer pocket called a pouch for holding paperwork, documents & notes. As well as check boxes to check off important info.
  • BIOHAZARD SYMBOL - Printed on one side of the bag is a bold orange & black Biohazard symbol
No. 5
Nasco Whirl-Pak B01364WA Stand-Up Bag, 18.5 cm Length x 7.5 cm Width, 118 mL Capacity (Pack of 500)
  • The white, write-on strip makes sample identification easier and more convenient
  • Bags can be frozen to any temperature
  • The paper-like finish virtually eliminates ink smearing, and provides a surface that will accept a variety of writing instruments
  • ISO-9001 certified Laboratory sampling products
No. 6
Nasco Whirl-Pak B01489WA Write-On Sample Bags, Sterile 7 oz 207mL Leakproof Polyethylene Bags with...
  • Capacity is measured in fluid ounces
  • Bags should not be used at temperatures above 180° F (82° C)
  • Bags can be frozen to any temperature
  • All bags are sterilized
No. 7
Nasco Whirl-Pak B00736WA Sample Bag, 230mm L x 115mm W, 0.064mm Thickness, 532ml Capacity (Box of 500)
  • Polyethylene
  • Supplied sealed
  • Bags should not be used at temperatures above 180° F (82° C).
  • Capacity is measured in fluid ounces when the bag is closed and tab is folded over.
No. 9
Nasco Whirl-Pak B01062WA Write-On Bag, 7.5cm L x 18.5cm W, 0.057mm Thickness, 118ml Capacity (Box of 500)
  • Capacity is measured in fluid ounces
  • Bags should not be used at temperatures above 180° F (82° C)
  • Bags can be frozen to any temperature
  • Item Package Dimension: 16.0" L x 12.0" W x 8.0" H
No. 10
LABSHARK Sterile Sampling Bags for Lab, 530mL/18oz 114mm W x 229mm L 100PCS
  • Sterile: Pre-sterilized by irradiation, DNase/RNase free & pyrogen free, ideal for food, water, cosmetic & environmental sampling, testing, transport, and storage
  • Whirl-Wire Closure Design: Unique wire pull-tab, easy to open and close, and creates a full 360° tight seal. It withstands shaking and inversion with zero leakage—works for both liquids and solids, eliminating unexpected spills during transit and...
  • Write-On Labeling Area: Large writable surface for date, location, and ID – simplifies tracking and record-keeping, all in one place
  • Thick Durable Material: Premium PE/nylon composite film, tear- and puncture-resistant. The extra-thick construction delivers dependable protection for safe transport and storage – even under demanding conditions

Last update on 2026-10-16 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Lab Sample Bags

Comparison Tips

When comparing options, prioritize durability and seal integrity. Check reviews for common failure points like seal leaks or material tears. Consider the ease of use in your specific lab environment – can they be easily opened, closed, and labeled? If sterility is a concern, verify the bag's sterilization method and packaging. For bulk purchases, compare cost per unit while ensuring quality is not compromised.

Frequently Asked Questions

What are the most common materials for lab sample bags?
The most common materials include polyethylene and polypropylene due to their versatility and cost-effectiveness. Specialized films are also available for applications requiring enhanced chemical resistance or temperature stability.
How do I choose the right size bag?
Consider the typical volume of your samples. Select a bag that accommodates your sample without being excessively large to prevent waste, or too small which could lead to leaks or ruptures.
What is the difference between zip-lock and heat-sealable bags?
Zip-lock closures offer convenience for easy opening and reclosing. Heat-sealable bags provide a more permanent, tamper-evident seal, which is often preferred for long-term storage or sensitive samples.
Are there specific bags for hazardous materials?
Yes, specialized bags are available for hazardous or biohazardous materials, often featuring distinct labeling, puncture resistance, and secure closure systems to ensure safe containment and disposal.
Can lab sample bags be sterilized?
Some lab sample bags are designed to be autoclavable, meaning they can withstand the high temperatures and pressure of an autoclave for sterilization. Always check the product specifications to confirm this capability.
What does 'antistatic' mean for a sample bag?
Antistatic bags are treated to prevent the buildup of static electricity. This is crucial for protecting sensitive electronic components or materials that can be damaged or compromised by electrostatic discharge.

How we compare Bags & Luggage

1 Specifications: we compare the key features and specifications listed by the manufacturer and on Amazon.
2 Customer ratings: we take into account the average Amazon rating and the number of reviews.
3 Price: we check the current price and highlight notable deals.
4 Updates: comparisons are refreshed regularly as prices and availability change.

Our comparisons are reviewed and updated regularly to reflect the latest products and prices.

Was this article helpful?

Thanks for your feedback!

Thanks — we'll work to improve this article.