Teeny tiny glass bottles with corks! 18mm tall (without the cork).
Shown below with one of the "12 Tiny Bottles" for size
Also shown below with one of the smaller labels from the Snake Oil Labels Collage Sheet, along with one of the Small Chipboard Apothecary Jar Shapes.
These bottles are also included in the Matchbox Cabinet Kit; see all the other kit components available to buy separately.
Set of 6.
Design Team Member Shannon Cooper made a mini shrine called Odd Doctor Olaf (see the wide photo below). More info in the blog and/or see the supply list.