- The attached heart is made of handmade seed paper. Once detached, cover lightly with soil, water, and enjoy the growing wildflowers.
- The heart is also printed on the card, so the design remains visible.
- The folded card is 10.5 x 14.8 cm (DIN A6) and made of 283g/m² heavy-duty recycled kraft cardboard.
- The envelope is C6 size, measuring 11.4 x 16.2 cm.
- The envelope and card together weigh approximately 15 grams. Shipping currently costs €0.70, or €0.85 for the dark envelopes (as of 11/2018).
