Even the "regular sized" grids in that pack are too big and the ones with the 2" squares are way too big. The chrome colored grids from Target are all the same, correct size. The smaller ones in the pack you got have larger than recommended squares as well. If you notice they have 8 squares across instead of the recommended 9. One of my pigs went through the recommended size grids (9 across). You said it's been a few months since you got them, but maybe the exchange time hasn't run out yet. If not, I would return them for the chrome colored ones. If they don't have them, then you can also get the same grids at Bed Bath & Beyond and maybe even Wal Mart. If the time HAS run out then you may want to get another pack and double up all of the grids with the larger 2" ones in the back. They may cross in the right places to make the overall holes smaller.