2488 metal cap 18mm products are offered for sale by suppliers on Alibaba.com, of which lids, bottle caps & closures accounts for 46%.
A wide variety of metal cap 18mm options are available to you, such as non spill, non-refillable and child-proof.You can also choose from as, zinc alloy and stainless steel metal cap 18mm,as well as from gray, silver, and white metal cap 18mm,