125870 proof cap products are offered for sale by suppliers on Alibaba.com, of which lids, bottle caps & closures accounts for 12%, baseball caps accounts for 1%, and other hats & caps accounts for 1%.
A wide variety of proof cap options are available to you, such as cotton, polyester and pvc.You can also choose from outdoor, sport and casual proof cap,as well as from plain, fashion, and image proof cap, and whether proof cap is printed, embroidery, or embossed.