Stock products. Selecting the right plastic containers, plastic cups or green packaging option can be a refreshing experience when you have the experts on your side. Our experts work with you to identify the design and materials attributes that are most important to you. From clear PET drinking cups, to durable polystyrene (PS) portion cups, to our 100% plant-based Greenware^® line, your Fabri-Kal team will steer you to the “best of the best” stock packaging solution.