Bigger 1kg tubs are on our radar, but it's not imminent.
The practicalities of sourcing and using alternate packaging supplies is a little complex, exacerbated by our exacting standards on sustainability. It has to be right before we would consider using it, we are always undertaking r&d in this area so who knows what the future holds.
Larger dogs can always use multiple tubs, and with our totally compostable packaging there is not the huge volume of plastic waste from using multiple tubs.