What are the exact dimensions of the 20ml and the 30ml vial: diameter and height?

I do no know, I purchased the 10ml vials. It says 50 x 22 mm on the box.

Does the rubber seal on the inside of the vial have a small gap in the rubber to allow all of the med to be drawn up, or is it continuous on inside?

I've never seen what you mention. The rubber is a one piece seal with no holes. When you insert a syringe into it, it makes a hole, however, it seals up (this is the self healing feature they're talking about). So you tear the plastic cap off permanently, which exposes the rubber seal. It seals up so tight, that the contents can not escape even when upside down.

For the seller: What is meant by "self-healing"? I've never seen that before, aren't all multi-dose vials just made from identical butyl rubber?

Yeah it’s just like every other vial. Normal rubber tops

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Ks-Tek Sterile Empty Vials with Self Healing Injection Port,with Flip Off Aluminum Cap,Sterile Package (10ml,10)

Product ID: 542605361

Details

Bottle type
Glass Bottle
Brand
Ks-Tek
Capacity
10 Milliliters
Colour
transparent
Material
aluminum

🧪Sterile single-dose glass vial

♨️Steam sterilized at 121°C

🛡️Self-healing PTFE injection port

Description

🧴 Elevate your sterile storage game with Ks-Tek’s cutting-edge vial tech!

PROFESSIONAL PACKAGING - Individually packaged for maximum sterility and convenience in clinical or lab settings.
VERSATILE VOLUME OPTIONS - Available in multiple sizes from 1ml to 100ml to fit all your precise dosing needs.
INNOVATIVE SELF HEALING PORT - Officinal PTFE-coated injection port that reseals after use, maintaining vial integrity.
PREMIUM ALUMINUM FLIP OFF CAP - Secure, easy-to-remove aluminum-plastic cover ensures contamination-free access.
STERILE ASSURANCE EVERY TIME - Individually steam-sterilized vials with clear sterilization indicator for guaranteed safety.

Ks-Tek Sterile Empty Vials feature steam sterilization at 121°C for 20 minutes, ensuring a contamination-free environment. Each vial is individually packaged with a sterilization indicator and equipped with a self-healing PTFE injection port under a flip-off aluminum cap. Available in multiple sizes, these vials are designed for professional healthcare and laboratory use, combining safety, convenience, and reliability.

Specifications

ASIN	B091MJLN5X
Additional Features	Sterile, Self Healing, Flip
Age Range Description	Adult
Bottle Type	Glass Bottle
Bottle type	Glass Bottle
Brand	Ks-Tek
Brand Name	Ks-Tek
Capacity	10 ml
Color	transparent
Colour	transparent
Container Type	Bottle
Customer Reviews	4.6 out of 5 stars 1,594 Reviews
Item Dimensions W x H	22W x 50H millimeters
Item Weight	0.15 Kilograms
Manufacturer	Ks-Tek
Manufacturer Part Number	KSUS-SEV-M
Material	Glass
Material Type	Glass
Material Type Free	Bisphenol A (BPA) Free
Model Number	KSUS-SEV-M
Number of Items	10
Number of Packs	1
Product Care Instructions	Hand Wash Only, Store in a cool, dry place, Avoid high temperatures
Recommended Uses For Product	Laboratory sample storage, Medical research
Reusability	Disposable
Shape	Cylindrical
Special features	Sterile, Self Healing, Flip
Specific Uses For Product	Laboratory use, Medical settings
Style Name	Modern
Theme	science
UPC	761412815841
Unit Count	10.0 Count

Reviews

T**E

Good vial

Very good and durable, came sealed

1.01.2026

C**A

Viel esterilizado

Recebi conforme anúncio , nada a reclamar

20.02.2026

B**R

Schnelle Lieferung

Artikel wie beschrieben

16.06.2026

E**O

excelente

Gostei muito do produto, maravilhoso

22.03.2026

S**4

Recommended.

I have been using them for TRT for many months now, with no problems at all. Recommended.

29.04.2026

K**.

Great Product

Great Vials very well packed. so much cheaper then buying singles.

17.03.2026

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5 days ago

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