"Selection and Packaging: Our blackout curtains have 16 colors and 5 sizes. This product set includes 2 blackout curtain panels of 52"" width x 63"" length. Please refer to our size guide before purchasing. Multiple Functions: Our curtains can block out sunlight and UV ray ( Darker colors work better), insulate against summer heat and winter chill to balance your room temperature, cut down energy bills. Reduce outside noise,Privacy protection,Create a good working and sleeping environment for you. Easy to Install: Each curtain panel has 8 silver metal grommets on top.Each grommet inner diameter is 1.6 inch, fits easily with standard curtain rods.Easy to hang, and slide smoothly. Perfect for office, bedroom, living room. Easy to Care: These blackout curtains are machine washable with cold water, please do not bleach, tumble dry on low, iron at low temperature if need. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions."