So I pack my box every morning before I go to work if I put an icepack pack on the bottom. Next the food and then put another ice pack on top. If it was something that needed to be kept cold and I end up not eating it by the time I get home it's so warm it needs to be thrown out. Anyone find they have ice packs that actually keep stuff really cold for a decent amount of time? I use the blanket kind that has the little bubbles of cubes in them and it's just not cutting it