These Twist Scrub Sponges ($4) are super cool. Unlike most standard sponges, these, which come in packs of three, are made from a mix of cellulose and cotton, making them completely free from dyes and plastics. Even better, you can extend the life of each sponge by placing it in boiling water when it starts to get grubby, and toss it in your compost pile when it's served its purpose.