What is the measurement of the opening?

17/64 which is just over 1/4 inch.

Can these be autoclaved?

I’m just shooting movies, recommend checking with manufacturer. They are glass though.

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13x100mm Glass Test Tubes with Black Screw Caps, 8ml Boro Glass Test Tubes for Scientific Experiments, Candy Storage, Party and Home Decorations, Plant Propagation and Holiday Gifts, HUAOU, Pack of 10

13x100mm Glass Test Tubes with Black Screw Caps, 8ml Boro Glass Test Tubes for Scientific Experiments, Candy Storage, Party and Home Decorations, Plant Propagation and Holiday Gifts, HUAOU, Pack of 10

Product ID: 234237877

🔥3.3 borosilicate heat resistant glass

🖤secure black screw caps

🧪8ml precise volume

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Description

🧬 Elevate your experiments and style—where science meets sophistication!

SLEEK TRANSPARENT - Crystal-clear glass with a smooth, sturdy finish offers a professional look that elevates your workspace or event setup.
LAB GRADE DURABILITY - Crafted from premium 3.3 borosilicate glass for superior heat, acid, and alkali resistance—built to last through every experiment and adventure.
LEAK PROOF CONFIDENCE - Black screw caps ensure airtight sealing, keeping your liquids and tiny treasures safe on the move—no spills, no worries.
VERSATILE MINI MARVELS - Perfectly sized 13x100mm tubes with 8ml capacity, ideal for scientific experiments, plant propagation, candy storage, and stylish party décor.
READY FOR EVERY OCCASION - From science labs to holiday gifts, these test tubes bring a unique blend of function and flair—don’t miss out on the trend everyone’s talking about.

This pack of 10 glass test tubes features 13x100mm dimensions and an 8ml capacity, made from durable 3.3 borosilicate glass with black screw caps for airtight sealing. Designed for heat resistance and versatile use, they are perfect for scientific experiments, plant propagation, candy storage, and decorative purposes.

Specifications

ASIN	B086SVC39Q
Best Sellers Rank	#55,191 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #62 in Test Lab Tubes
Date First Available	April 6, 2020
Item Weight	4.8 ounces
Item model number	HO-SG-12*75
Manufacturer	HUAOU
Package Dimensions	5.6 x 3 x 3 inches

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24712CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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