I like it.
If I use peanuts (rarely do, and never for heavy items) I put them inside a trash bag and seal the bag with tape, then lay these under/over/around the inner box (ie between the inner box and outside box). It does fill the air space and provides some cushion.
If I use peanuts (rarely do, and never for heavy items) I put them inside a trash bag and seal the bag with tape, then lay these under/over/around the inner box (ie between the inner box and outside box). It does fill the air space and provides some cushion.