For those who sell art prints or greeting cards at markets where do you source your plastic sleeves and cardboard backings? Extra points if you've found any eco friendly alternatives to the 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 Eco Friendly Greeting Cards Pure Apotheca Credit Card Anime Flex Design Store Add some personality to your wallet! The Houston Toy Museum now carries credit card sleeves featuring anime classics, Yu Gi Oh!, Pokmon, and more. The perfect collectible for fans of all ages!