The Alisyn Cork and Slide Grease provides superior performance without the mess of traditional cake-type products. This synthetic cork and slide grease allows smooth positive assembly and disassembly of the instrument while keeping the cork moist and well preserved, thereby ensuring a long cork life. For brass instruments, it provides an excellent solution for sticking valve slides. The Alisyn Cork and Slide Grease is also an anti-corrosion anti-wear agent, greatly extending the normal service life of your instrument. - the manufacturer