122 38 mm end cap products are offered for sale by suppliers on Alibaba.com, of which lids, bottle caps & closures accounts for 33%, pipe fittings accounts for 2%.
A wide variety of 38 mm end cap options are available to you, such as non spill, non-refillable and pilfer-proof.You can also choose from stainless steel, iron and pet plastic 38 mm end cap,