external drinking tool (stone inside)

external drinking tool (stone inside)

external drinking tool (stone inside) 

This is 3D print tools. include nut. It can be any color. if you want specific color, please let me know. otherwise will shipping random color.

this is leak stone inside, not sponge. The good thing is ant will never bit it though, but it will not as much as water like sponge. but wet stone will more like what ant can found in nature.

use for extra drink area.