High quality, durable recycled plastic hydroponic pots. Manufactured in the UK. Maximise your growing space. The square tops and tapered sides will make the most of your potting bench or grow tray. Easy to pot and transport around the garden or greenhouse. The strong, resilient design features a reinforced rim. Every size pot features a two-tier drainage system. Its prevents waterlogging and helps aerate the soil. We stock many sizes of black square pots, from 0.25 L up to 11L. Please note: Our 0.25L (7cm) and 0.75L (9cm) varieties are constrcuted from a slightly thinner thermoformed plastic and are predominantly designed for seedlings.