The question unanswered is: What are the limits? - Can I have a box each week? - How many items can I put in the box? - Do they need to be washed until retur

The question unanswered is: What are the limits? - Can I have a box each week? - How many items can I put in the box? - Do they need to be washed until return? Why buy, when I can get free ones every week for a fee I already potentionally pay?