【Heavy Duty Aluminum Alloy Track】 Concealed heavy-duty curtain track is made of 0. 08 inch/2 mm thick heavy-duty aluminum alloy with no-sag properties and can easily hold up to 176 lbs (80 kg). The ceiling curtain track holds heavy curtains in place without breaking. The surface of the curtain track is treated with glossy lacquer, which provides excellent waterproof, wear-resistant, load-bearing and ultra-quiet characteristics. 【Silent Operation And Customized Support】Our track curtain ceiling mounted pulleys are designed with a combination of nano bearing wheels (16PCS/m) and nano strips (2PCS/m), the nano strips and bearing pulleys achieve noiseless operation - won't interfere with sleep. Missing parts? Contact us for fast support. And custom sizes (e.G. 8ft, 12ft, 20ft) and accessories (crossover/turner) are available. Please measure carefully before purchase! 【Easy To Install】We pre-drill holes in each curtain track (2-3 per meter), tracks longer than 39 inches (100 cm) will be sent in sections, and we will provide connectors to make sure the pulleys go through smoothly. Thick mounting brackets hold the curtains in place forever. This double curtain track set includes track, pulleys, two side covers and a full set of screws, DIY only takes 30 minutes! Perfect for bedroom, living room, hotel or commercial partition space. 【Multifunctional Hidden Track】Suitable for all kinds of curtains and occasions. Our curtain track is double layered design supports both full blackout and semi-sheer curtains. By physically layering them, they can be light leakage free and block 82% of outside noise. Easy to install in any room. The sliding curtain track is perfect for living room/shower room/bedroom/curtains/hotel/classroom/commercial place, also can be used to hang to isolate any place. 【Full Service】Ceiling track package has many parts. If you have problems with missing parts, assembly, etc., you can always contact us via buyer's message. We are always at your service. Note: Please make sure you measure the correct size before purchasing. English Version 📝 🏗️ HEAVY-DUTY ALUMINUM TRACK Concealed 0.08-inch (2mm) thickened alloy track won’t sag or bend! 🔥 Holds 176 lbs (80kg)—easily lifts an adult! 💪 Glossy lacquer coating ensures waterproofing💧, wear-resistance, and whisper-quiet operation. Built to last a decade✨. 🔇 SILENT GLIDE + CUSTOM SUPPORT 16 nano-bearing wheels/m + 2 noise-reducing strips/m = zero sound disturbance🔇! 🌙 Curtains glide like feathers, perfect for light sleepers🛌. Custom sizes (8ft/12ft/20ft etc.) & accessories (crossover/turner) available🛠️. ⚠️ Measure twice, order once! 🛠️ EASY 30-MIN INSTALL Pre-drilled holes (2-3/m)🔩 + connectors for tracks >39" (100cm). Thick brackets prevent sagging🚀. Includes track, wheels, end caps + full screws📦. DIY in 30 mins⏱️! Ideal for bedrooms, hotels, offices🏨~ 🌈 MULTI-FUNCTIONAL HIDDEN DUAL TRACK Double-layer design☀️: Blackout curtain blocks 99% light🌑 + sheer curtain softens glare✨. Blocks 82% outside noise when layered🔇! Perfect for showers🚿, classrooms, commercial spaces—create partitions instantly🔄! 🛎️ LIFETIME SUPPORT Missing parts? Installation help? 📦 Contact us 24/7 for lightning-fast solutions💨! ✅ Pro Tip: Double-check measurements before ordering📏!