5748 test tubes with screw caps products are offered for sale by suppliers on Alibaba.com, of which glass bottles accounts for 49%, plastic bottles accounts for 16%, and test tubes accounts for 12%.
A wide variety of test tubes with screw caps options are available to you, such as pet food, other cosmetic and chocolate.You can also choose from borosilicate glass, pp and plastic test tubes with screw caps,as well as from screen printing, hot stamping, and acid etch test tubes with screw caps,and whether test tubes with screw caps is screw cap, or optional.