These Lotion pumps are suitable for glass and plastic bottles as well as aluminum cans and Mainly used for serums, creams and gels.. They are available in white color, with other colors dependent on quantity ordered. Full or half metal shrouds are available. Standard color is White. Closure sizes available: 18/410, 20/410, 24/410, and 24/415. Dosage size available: .1ml to .2ml