ULTRA BREATHABLE – Ideal Aeration Ensures Long and Active Flowering of Orchids | IDEAL DRAINAGE - Always the Right Level of Substrate Moisture | VISUAL CONTROL - Transparent Plastic Pot Provides Perfect Control Over the Condition of the Roots | DURABLE Construction - Guarantees Many Years of Pleasure from the Use of these Pots | THREE SIZES of Pots to Choose from - 110 mm, (4.5 inch), 140 mm, (5.5 inch), 170 mm, (6.5 inch) - You will Choose the Pots Exactly for Your Needs!