4337 plastic double wall screw cap products are offered for sale by suppliers on Alibaba.com, of which lids, bottle caps & closures accounts for 15%, screws accounts for 1%.
A wide variety of plastic double wall screw cap options are available to you, such as non spill, non-refillable and child-proof.You can also choose from as, stainless steel and pet plastic plastic double wall screw cap,