Keep food fresh with this Pack of Freezer Cube Blocks Choose from a pack of 6, 12, 18 or 24 Cube freezer blocks are slim and interlockable Allows you to make cubes or build freezer boxes Designed to fit into any size lunch box Wide base and quick freeze gel maximises cooling capacity Keeps food fresh for longer Buying Options: 6.99 pounds instead of 18.99 pounds for the 6-pack - save 63% 12.99 pounds instead of 37.98 pounds for the 12-pack - save 66% 17.99 pounds instead of 56.97 pounds for the 18-pack - save 68% 22.99 pounds instead of 75.96 pounds for the 24-pack - save 70%