Just stretch it to the desired area. Crisp Style One Lock Curtain Rail Fit One Tension-type, so there is no need to hammer screws or nails, and it will not damage the walls or ceilings. Slide Width: 5.9 - 5.9 ft (1.5 - 1.9 m), Load Capacity: 4.4 lbs (2 kg); Material: Rail body: Aluminum; Please use the curtain total weight within 4.4 lbs (2 kg). After installation 2 to 3 days, please double check the tension condition and increase the strength when it is weak. Please do not pull the rail body with strong force or hang it from the attached curtain or the like, which may cause deformation, damage or fall off. Do not place valuables or fragile items under the rail. This product is designed to hold curtains, so please do not use anything else.