One pair of interlined thermal curtains. Woven interlining provides exceptional insulation, prevents heat loss & reduces unwanted drafts during the winter. They also help block out noise and sunlight, keeping the room cooler in the summer. Choice of 6 sizes: 46in x 54in (117cm x 138cm), 46in x 72in (117cm x 183cm), 66in x 54in (168cm x 138cm), 66in x 72in (168cm x 183cm), 66in x 90in (168cm x 228cm), 90in x 90in (228cm x 229cm). Fabric: 100% Polyester. Machine washable at 40c.