Details Thoughtful Human creates eco-friendly, plantable cards that aim to help people find honest ways to communicate. All cards are made with a biodegradable wildflower seed paper from post-consumer recycled materials and water-based inks, so they can be enjoyed and planted when they&';re done. Card: plantable seed paper Envelope: recycled kraft paper Seal: FSC certified paper and 100% certified compostable adhesive 4" x 5 1/4" Blank inside