Utile 20 mL Glass Test Tubes, 50-Pack

Utile glass test tubes are listed as a 50-pack of 20 mL borosilicate tubes, with cork stoppers and a cleaning brush. Their stated 16 × 150 mm size and claimed wall thickness suit small-volume storage and general lab or craft use, but the listing gives conflicting dimensions and capacity details to verify.

At a glance

Listing describes round-bottom tubes with flat mouths for small-volume use.
The claimed borosilicate material is described as having good chemical durability.
A tube brush is described as helping with cleaning, and corks as reusable after cleaning.

Price

$27.11Save 20%

Reference price: ~~$33.89~~

Price checked: Nov 13, 2026

View offer

Often bought together

Thyle Glass Test Tubes Bulk with Cork Clear Stoppers, 15x100mm/13ml, 100 Pcs

$96.04

Pros and cons

Pros

A stated 50-tube quantity and included corks and brush cover common storage and cleaning needs.
The stated 1.0mm-1.2mm wall thickness provides a useful sizing detail for buyers comparing glass tubes.

Cons

Glass is fragile, so these tubes require careful handling.

Technical specifications

8 specifications

Identity
Brand	Utile
Part number	4004.9012.50

Tube details
Listed capacity and quantity	50pcs of 20ml
Listed size and quantity	50pcs of 16x150mm
Material	3.3 Borosilicate
Wall thickness	1.0mm-1.2mm

Dimensions and weight
Weight listed	204 g
Parcel dimensions and weight	17.53 x 10.92 x 5.33 cm; 204.12 g

What to know before buying

Listing details to confirm

The listing is inconsistent about tube size and capacity: the title and capacity detail say 20ml, while the style detail says 16x150mm. It also lists the parcel weight as both 204 g and 204.12 g. Confirm the selected listing’s tube dimensions and capacity before ordering. The seller states that glassware may arrive cracked in transit.

What’s in the box

Glass test tubesIncluded
Cork stoppersCheck selected pack
Tube brushCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Buyers needing a multipack of small glass tubes for classroom activities, crafts or general sample storage.
Users who want cork closures and a brush included for cleaning.

Less suited to

Buyers who need confirmed tube dimensions or capacity without checking the conflicting listing details.
Uses where fragile glassware is unsuitable.

Utile 20 mL Glass Test Tubes, 50-Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.9 / 5 · 15 ratings

5 stars91%91%
4 stars9%9%
3 stars0%0%
2 stars0%0%
1 star0%0%

Aggregate ratings lean strongly positive, with most ratings in the five-star category and the remainder in the four-star category. This is a small rating sample and provides no detail about tube dimensions, breakage in transit or how the corks and brush perform, so it cannot resolve the listing’s conflicting size information.

Frequently asked questions

How many test tubes are listed?

The listing states 50 tubes, but confirm the selected listing details because its size and capacity information is inconsistent.

What are the listed tube capacity and dimensions?

The title and capacity detail state 20 mL, while the style detail gives 16x150mm. Check the selected listing to confirm the actual tube size.

Are corks and a cleaning brush included?

The title and product description claim cork stoppers and a brush. The explicit included-components field names only glass test tubes, so confirm the bundle contents on the selected listing.