Science Clothing, Art & Books
Original science and nature designs plus books by CRV Science founder Bryan P. White
Product Details & Direct Checkout
270–300 gsm Cardstock
Heavyweight folded archival board built for gifting or framing
Envelope Included
Ships with a matching white standard 4″×6″ mailing envelope
Vibrant Archival Print
High-contrast coated exterior with custom interior and back detail
4″×6″ Folded Format
Standard folded card dimensions ready for personal notes and postage
Hoatzin (Opisthocomus hoazin) - Greeting Card 4"x6"
Evolutionary ornithology illustration of Opisthocomus hoazin — the enigmatic Amazonian folivorous bird whose chicks possess functional wing claws.
Evolutionary ornithology illustration of Opisthocomus hoazin — the enigmatic Amazonian folivorous bird whose chicks possess functional wing claws. Printed on heavyweight 4″×6″ (10.2 × 15.2 cm) folded archival cardstock with a semi-gloss coated exterior, custom interior print, and matching white mailing envelope.
Printful On-Demand Fulfillment
Crafted in 2–5 business days. Shipped tracked in eco-friendly packaging worldwide.
| Dimensions | 4″ × 6″ (10.2 × 15.2 cm) folded greeting card format |
| Paper Weight | 10–12 pt (270–300 g/m²) heavyweight archival cardstock |
| Surface Finish | Toner-based print with semi-gloss coated exterior and writable interior |
| Envelope Included | Matching white mailing envelope included with every card |
| Fulfillment | Custom printed on demand at the nearest Printful studio |
- Store or display away from moisture and direct prolonged UV sunlight.
- Allow liquid or gel pen ink to dry briefly on the interior before closing.
Every greeting card is custom printed to order with a matching envelope and shipped in rigid protective mailers.
| Production Time | 2–5 business days |
| US Standard Delivery | 3–6 business days ($4.99 or FREE over $50) |
| US Express Delivery | 2–3 business days ($9.99) |
| International Delivery | 5–14 business days |
- 30-Day Damage, Defect & Misprint Guarantee: Any item arriving damaged, defective, or misprinted is eligible for a 100% free replacement or full refund within 30 days of delivery—no return shipping required.
- Made-to-Order Sustainability Policy: Because every garment, canvas, and decal is custom-printed on demand via Printful to eliminate textile overproduction waste, we do not stock inventory for buyer's remorse. Please check our interactive Size Guide before ordering, or contact us via our Support & Returns Form if you need help with an order.
- 2-Hour Pre-Production Modification Window: Orders may be modified or canceled within 2 hours of checkout before entering the DTG production queue.