For all piston valved instruments. 1oz bottle. Child-proof cap that meets EU regulations.

If you're playing a  trumpet, you'll want  to oil  your  valves  every time that you play, or at least three times a week. Coat the entire valve in valve oil, after first clearing away any debris that may have built up on it.  

Attractively packaged in a self-sealed pack with euro slot for shop display.