Qhov no yog silk-screen kub-hloov tawv enamel tus pin. Cov khaub ncaws ntawm nws yuav hloov nrog qhov kub thiab txias. Thaum qhov kub siab dua, nws yuav sib dua, thiab thaum qhov kub thiab txias tau qis dua, nws yuav tsaus dua.
Lub keeb kwm yav dhau yog ua los ntawm hollow pob tshab xim. Cov txheej txheem stained iav enamel pins yog txawj sau nrog pob tshab lossis translucent lacquer hauv qhov hollowed.