Made of 100% Cotton with 100% Polyester trim. Reverses to same in sold indigo. We're a proud member of the Better Cotton Initiative (BCI). The Better Cotton Initiative trains farmers to care for the environment and respect workers’ rights and wellbeing. BCI cotton is not physically traceable to final products. Zipper closure. Accommodates a 24" square insert; sold separately. Imported. Spot clean only. Overall: 24" sq Zipper: 22" l