20 pieces of trumpet-shaped cork pads for faucet saliva valves, size 9 mm x 4

Water key cork pads suit for trumpet cornet flugelhorn trombone. White Spit Valve Cork:Silica gel. Wood Spit Valve Cork:Solid wood. Trumpet water key corks. 20 Pieces Water Key Cork Pads. Silica gel, solid wood material, anti-aging, good sealing, wear resistance.