The PRUF (proof) jar is a glass jar that is cradled in a silicone body with a see-through window that is the smell proof. The PRUF jar also features a bottom non-stick silicone dish for concentrates.
The PRUF (proof) jar is a glass jar that is cradled in a silicone body with a see-through window that is the smell proof. The PRUF jar also features a bottom non-stick silicone dish for concentrates.
