Portable perfume refill is entirely made of high-quality zinc alloy .the mini size can fill enough for one week needs of perfume 1.It is made of high quality zinc alloy , each one decorate with 12 glitterings swarovski crystal on the top .2.Capacity volume : 3.1ml with approximately 50 sprays.3: Color Available 4.How it works ?5.Gift Packing display 6.AD Display Portable perfume refill