Chemistry lab test tubes make great shot glasses. Martha Stewart's people labelled them with a Halloween theme. Each tube holds 30mL (1.1 fl. oz) and is made with heat resistant, food safe, borosilicate glass.
Their thick rims also make them easy pouring & dishwasher durable. All our tubes are unmarked for whatever decorative use you want.
Custom label yours as wizard, vampire, mad scientist, witch or zombie blood types for cosplay theme or as hospital favors. Or, screen print your bar or distillery brand right on the tube & serve them up in this 40 tube rack.
18x150mm tubes have rounded bottoms & require support to stand upright
Completely unmarked for decorative use
18mm (~1"); 150mm (~6")
Tube capacity/volume is ~30 ml/1.1 fl. oz
Note: Test tube diameter and length is nominal; there can be a variance of as much as +/- 0.5mm. We cannot guarantee they will fit test tube racks or stoppers we don't supply.
Reviews (14)
2024-06-11
Very happy with the quality and price of your glass. That's why I keep reordering from indigo instruments.
— Du Bois
2022-06-07
Product as described. Easy transaction. Received in a timely manner. We'll packed. Thanks!
— Diane
2021-10-12
The test tubes were exactly what I was looking for. I agree with Doug - they were packaged very well and no damage occurred during shipping. And they were shipped immediately and arrived in a very short time frame.
— Lori
— Indigo:
Good to hear, thanks for feedback.
2021-08-24
Helpful staff, product was well packaged and everything arrived unbroken. Quick shipping too!
— Jon
2021-05-23
Test tubes were very well packaged and arrived in perfect condition. I appreciate that they did not have any markings since they are to be used as vases.
— Doug
— Indigo:
Good to hear they got there ok & you're happy with their having no markings. We realized years ago that the esthetics demanded they be completely blank.
2021-02-07
Good quality and still have not broken any with thermal shock
— BT
— Indigo:
That's good to hear & that not just labs need real borosilicate!
2020-10-29
As described, quick service!
— Chuck
2020-08-27
Exactly as I expected - shipped quickly - so reasonably priced.
— Hillary
— Indigo:
Thanks for the compliment.
2020-07-06
They were exactly as described and shipped out right away. My son uses them for antkeeping and they were perfect for his needs.
— Teresa
2019-08-28
We appreciate the clarity and uniformity of these test tubes. Indigo Instruments fills orders immediately and precisely; who could ask for anything more?
— Cat
2019-06-10
Test tubes were exactly as described. Appreciate the fact that they do not have any markings on them as they are used as vases.
— Buster
— Indigo:
We've ordered without markings for years for that reason. Most sources only offer this in disposable soda lime glass culture tubes that break easily.
2017-11-19
test tubes were exactly as described, they were shipped the next day with no breakage. Have purchased from Indigo n the past & will do so again in the future.
— Susan
2017-10-27
Test tubes were exactly as described. Appreciate the fact that they don't have any markings on them as they are used as vases.
— Flowers
2017-06-21
The durability of lab glass is essential to making quality horticulture display stands that last. Bulk pricing made the test tubes very affordable and the cost of the overall project minimal. Competitively priced and shipped promptly. I purchase all my lab glass from Indigo!
— Cathy
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