Your Chair Covers - 90 inches x 90 inches Square Organza Table Overlays Champagne, Lightweight Sheer Organza Table Cloths Material. Organza SIZE. 90 inches x 90 inches COLOR. Champagne GSM. 20 (A measure of the weight and thickness of the fabric) FIT/USE. Designed to complement 132 inch round tablecloths on a 72 inch round table CARE INSTRUCTION. Hand wash cold or room temperature water. Hang dry. Iron with very low temperature setting. (Can be washed and dried by machine on a very low temperature and in delicate cycle setting, but hand wash is recommended).