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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Description

🧪 Elevate your sterile storage game — because your samples deserve the best!

READY FOR PRECISION - Pack of 10 sterile vials, ideal for single-dose applications, ensuring you never run out during critical moments.
COMPACT CONVENIENT - 5ml glass vial size fits perfectly in professional settings, with a sleek cylindrical design for easy handling.
TAMPER EVIDENT SECURITY - Flip-off aluminum-plastic cap offers a clear visual indicator of vial safety and freshness.
NEXT LEVEL LEAK PROTECTION - Self-healing injection port with officinal PTFE coating prevents leaks and maintains vial integrity.
STERILE CONFIDENCE EVERY TIME - Individually steam-sterilized at 121°C for 20 minutes, guaranteeing contamination-free use.

Ks-Tek Sterile Empty Vials are premium 5ml glass containers designed for professional use, featuring steam sterilization at 121°C, a self-healing PTFE injection port for leak-proof performance, and a tamper-evident flip-off aluminum cap. Each vial is individually packaged with sterilization indicators, ensuring maximum safety and reliability for sensitive applications.

Specifications

Brand	Ks-Tek
Material	PLA_(Polylactic_Acid), PC_(Polycarbonate), PTFE_(Polytetrafluoroethylene), aluminum
Bottle Type	Glass Vial
Capacity	5 Milliliters
Special Feature	Leak Proof
Product Care Instructions	Handle with Care
Number of Items	10
Reusability	Reusable
Shape	Cylindrical
Unit Count	10.0 Count
Item Weight	0.12 Kilograms
Manufacturer	Ks-Tek
UPC	761412515376
Part Number	KSUS-SEV-M
Item Weight	4.2 ounces
Package Dimensions	4.13 x 3.35 x 2.91 inches
Item model number	KSUS-SEV-M
Size	5ml
Item Package Quantity	1
Special Features	Leak Proof
Batteries Included?	No
Batteries Required?	No

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