The Max Rod's wrap-around curtain design eliminates this gap by curving the fabric all the way to the wall, creating a physical barrier against light. Imagine sleeping until noon in a room as dark as midnight. Perfect for shift workers, light sleepers, and home theater enthusiasts. Material:Rustproof Electroplated Iron Package IncludingMounting accessories (brackets*2, sets of screws(expansion) *N) *The screws are M4/M5 size, so use a slightly smaller drill bit to make the pilot holes. Forhollow walls(metal, wood, or drywall), usescrews. Forsolid walls(concrete, brick), useexpansion screws. OptionalSilent Glide Rings:1 ring per 4" of rod width (rounded up) + 2 extra for returns. 💡Curtain Sizing Guide: Don't forget the curve & fullness! The Golden Formula for Panel Width:Single Panel Width= (Curtain Coverage Width × Fullness) ÷ Panel Quantity. Expert Consultation:Still not sure? Start [Live Chat] to speak with a drapery hardware specialist. Each rod is warranted to be free from defects in material and workmanship for 3 years from the date of order. If the product fails within this 3-year period we will replace it free of charge. If you are not sure about the rod width, please start a LiveChat.