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 recycled material. Vigoroot Pack of 3 x 5 Litre: Diameter 21cm x Height 20cm