Energy Efficient Insulated Check Tab-Top Curtain Pairs 63″L x 80″W (40″W each) Cotton face/acrylic suede backing Blocks up to 95.3% of light Reduces heat/cooling loss up to 44% Decreases outside noise by 46.3% Helps keep a more constant room temperature Stops drafts, blocks sun, reduces glare 1″ side hems, 3″ bottom hem Easy care, machine washable.