15-Pack Reusable Nylon Produce Bags | $9 | Amazon
Turns out, you can get reusable sacks for those too, and this set of 15 is down to just $11 today, a few bucks less than usual, and within $1 of an all-time low. They’re made from nylon, but transparent enough that your checkout attendant won’t have to open them to see what’s inside. And if you don’t need all 15 for shopping, they can be used for holding just about anything. So go ahead, do Mother Earth a solid.