Great mug! Need it for growing tomatoes and peppers cuttings in my room-greenhouse. After thrilled with the Praxxus55712 -'m videos in which grandiose documented (English) RayRay (fb) to be gardeners for many years, I have now bought include those red plastic cups. They are slightly larger than 200ml transparent cup, I work with also. The red cups are very stable, so I give a bit larger seedlings into it ... already in good earth, before it's time to transplant the plant into a much larger pot outside. If interested in the above video: [...] [...] (Here you can see such a tumbler "in operation".