These are real recycled medicine bottles very similar to the Coricidin bottle slides made famous by Duane Allman of Allman Brothers Band in the 1960s.
It is not easy to get hold of real quality slides like this as very few medicines are being sold in real glass bottles nowadays.
Outside diameter: 29mm
Inside diameter: 25mm
Opening diameter: 20mm
These are the real thing not some copies made by other companies. Great for any guitarist, beginner or professional, who's into slide playing or just looking to experiment.
Get them now as these are going real fast!
If you find that this price is not right for you please feel free to make any offers!