The unique Vigoroot? fabric helps you to grow stronger, healthier, more productive plants. With its ability to \'air-prune\' the roots, it dramatically changes their formation and stops plants becoming \'pot bound\'. Vigoroot pots and planters are reusable, fold flat for easy storage and come with a helpful growing guide. Suitable for vegetables, flowers, herbs and fruit. Made from recyucled material. The 40 litre planter is especially suitable for growing potatoes and tomatoes. Herb Planter - 45cm x height 25cm. 40 litre. Vegetable Planter - 30cm x height 40cm. 28 litre. Vigoroot Pack of 3: 18cm x height 20cm - 5 Litre, 24cm x 24cm - 10 litre, 30cm x 30cm - 20 litre, 35cm x 45cm height - 40 litre.