Large size fits 25 to 50 grams of high quality baking indoor growing plants s. At 4.75 inches wide and 2.50 inches tall this storage tin is discrete and can easily pack away. Keeps your medical indoor growing plants potent by blocking harmful UVB light which deteriorates potency - unlike glass or plastic baggies which will deteriorate potency by 10% over time. Humidity control inside food grade stainless steel. Plant products stay fresh, moist and inviting. Restores moisture to dried out or stale indoor growing plants s. Cures young immature flowers. Works in any climate, Silicon ring and clamps keep stash airtight, waterproof and odor free. Small enough to carry in a bag without notice. Big enough for week long road trips, laptop bag or your camping gear for wooded explorations.