Daydream HQ- Sea Otter- Wood Postcards. Features: • Made in the USA. • Crafted with real wood (1/8th inch poplar). • Postcards meet 100% of USPS mailing requirements. • Art was originally done by Dave Bartholet. Options and Sizing: • Measures: 5.5"L x 3.86"W x 0.125"D - Meets 100% of USPS requirements. - Just add 2 first-class stamps. • Made in USA