Wattne Reusable Sandwich & Snacks Bags If you love the space-saving convenience of a Ziploc bag, these Wattne Reusable Sandwich & Snacks Bags ($15) are a great eco-friendly replacement. They're leak-proof, freezer-safe, and biodegradable. Image Source: amazon.com Wattne Reusable Sandwich & Snacks Bags $15 from amazon.com Buy Now