3113 plastic tube screw cover products are offered for sale by suppliers on Alibaba.com, of which lids, bottle caps & closures accounts for 8%, other plastic products accounts for 1%, and test tubes accounts for 1%.
A wide variety of plastic tube screw cover options are available to you, such as non spill, non-refillable and child-proof.You can also choose from as, stainless steel and iron plastic tube screw cover,