Lettuce-Crisper Bag, $6
Problem: You tried washing greens on Sunday for healthy salads all week, but by Tuesday they were ready for the compost pile.
Solution: Dampen the canvas Lettuce Keeper, tuck tender leaves inside, and they'll stay crisp for up to 10 days. So long, slimy salads.
To buy: My Bag, 866-562-0889.