You might notice some of card sleeves are looking a bit hung in this glorious humidity This is because we don't do plastic! We only use speciality plant based cello World Centric's 32 oz Fiber Box Sleeve Case of 800 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 Hi everybody! Christmas cards are now available online in my MadeIt store and ready to ship now! Sustainably printed on recycled card, with recycled envelopes and (if required) home compostable cellophane sleeves. Bee Mine Rosie's Wonders Connection Cards 50 Pack Eco Friendly Compostable Clear Bags for Greetings Cards Fits C6 Envelopes Self Seal Biodegradable Recyclable Self Seal Cellophane Alternative Sleeves : Amazon.com.au: Stationery & Office Products