Custom Cards Eco Friendly Thank You & Business Cards EcoEnclose Biodegradable Card Sleeves Etsy Recently arrived! Compostable card sleeves. Great for greeting card and envelope makers. Made from NatureFlex Cellophane (not polypropylene or PLA), our bags are biodegradable and home compostable. Can be sealed with a It's plastic free Friday! Why not do something for the planet and consider going plastic free with your packaging? Made from wood pulp fibre, our cellobags come in a wide range of sizes Compostable Greeting Card Bags See All Our Bag Sizes Eco friendly packaging for cards and artists Willowynn