Manufactured by Printful.
 
"Expressing your sentiments or planning an event can be hard. Take some of the weight off of your shoulders by getting yourself an authentic greeting card!

• Material: 14.77 oz/yd² (350 g/m²) paperboard

• Sizes:
Medium: 5″ × 7″ (127 × 178 mm)
Large: 5.83″ × 8.27″ (148 × 210 mm)

• Product weight:
Medium: 0.6 oz (17 g)
Large: 0.85 oz (24 g)

• Toner-based printing
• Vibrant colors
• Comes with a complimentary envelope"