Pot Sock 

 A great way to easily dispose of old media and plant matter after you have finished growing. Simply insert you pot sock into your pot before adding the growing media. When you're done, lift out the pot sock complete with the media and toss it in the bin. Available to suit the following standard garden pot diameters; Prices Starting From $ 12.00 per Pk of 3 300mm (12") 20 Litre 425mm (17") 30 Litre 500mm (20") 50 Litre