built To Last For Yearsperfect For Small Spacesstrong Tough & Extremely Versatileuse Anywhere In The Garden.designed To Last, Tough Strong & Resilient. Gro-sacks Are A Real Favourite With Home-growers. They Are Fantastic For Growers Who Only Have A Small Space To Grow In Or Want To Grow In A Contained Area. Just One Sack You Can Grow Three Potato Plants Which Will Give You Between 15-30 Potatoes. So It’s A Fantastic Investment!one Of The Biggest Compliments Our Sacks Receive Are Just How Versatile They Are. Built To Last, Extremely Hard-wearing Providing You With A Multitude Of Uses. Not Only For Growing Different Crop Varieties, But For Moving Heavy Items Such As Rubble & Old Compost. These Sacks Will Last You For Years!another Huge Factor For Their Popularity Is That When You Grow Within A Sack You Contain The Area. This Means That Your Crops Are Less Prone To Disease.each Sack Has 40 Litre Volume.