This card by stationery brand Sidepony is perfect for fun correspondence. The card measures just under 5 1/2 by 4 1/2 inches, comes with a corresponding envelope in green, and is in a protective sleeve. 

Shipping: There are two shipping options for our greeting cards including USPS First Class Letter (listed as Economy Shipping), and USPS First Class Package. Package tracking is included with USPS First Class Package. 

Packaging: Greeting cards shipped using USPS First Class Mail will arrive in a 6x8 inch envelope. Greeting cards shipped using USPS First Class Package are shipped in a white rigid mailer.