A very simple tip for preserving your food and reducing wastage! Place a piece of the stay fresh roll in the bottom of a vegetable box, and the active carbon which it contains absorbs smells and avoids the formation of mould which causes fruit and vegetables to deteriorate. 28 x 250 cm roll for cutting. Effective for 3 months. Comes with 10 self-adhesive labels so you can note the date on which it needs changing. Non-woven material with active carbon.