usage:for lotion pakcaging material:aluminium+plastic inner diam:24mm height:31mm, 35mm colors:various 1. Usage:for lotion packaging2. Material:aluminium+plastic3. Inner diam:24mm height:31mm, 35mm4. Colors:various,such as red, green, yellow, black, so on5. shape:round6. neck size:410, 415more lotion disc capLeak test in vacuum ovenPacking:Workshops: