The single biggest mistake buyers make when covering half moon windows is treating them like standard rectangles instead of measuring the precise radius. I have spent hours analyzing specification sheets and buyer feedback to compare these six half moon shades. In my view, getting the fit right on curved glass requires paying strict attention to the mounting hardware. Read on for my honest ranked comparison of the top options available.
1. Myshade Arch Window Shades Half Circle Blackout Cellular Shades Cordless No Drill Blinds for Windows Half Moon Honeycomb Fabric No Tools Room Darkening Shades Easy Install (1PCS White 72" W X 36" H)
This oversized model earns its top ranking because of its exceptional ability to cover expansive glass without sagging in the middle. I would rank this first for anyone dealing with large architectural arches because the honeycomb fabric structure provides structural rigidity along the curved headrail.
Installation is surprisingly straightforward for a large blind, relying on a no drill design that protects expensive window frames from permanent damage. But buyers should remember that wide honeycomb panels require gentle handling during initial positioning to keep the pleats crisp.
Buyers frequently mention that this large white shade effectively blocks harsh sunlight in massive living room windows.
The absence of external cords makes this a clean, modern choice for high ceilings.
Several reviews note that measuring the exact arch radius twice is essential before ordering this 72-inch width.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Myshade Arch Window Shades Half Circle Blackout Cellular Shades Cordless No Drill Blinds for Windows Half Moon Honeycomb Fabric No Tools Room Darkening Shades Easy Install (1PCS White 36" W X 18" H)
Homeowners with standard bedroom archways will find this medium version fits their exact scaling needs. I consider this the sweet spot for bedrooms and medium-sized studies where you want privacy without overwhelming the upper wall space.
The crisp white finish blends effortlessly into pale trim, offering a clean look that feels permanent rather than temporary. But you must verify your radius measurements because half moon windows vary wildly between older and newer construction.
Reviewers praise the straightforward tension-fit installation that takes just minutes.
The room-darkening material performs well against intense morning rays.
Users appreciate the lack of dangling cords near bedside seating areas.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Myshade Arch Window Shades Half Circle Blackout Cellular Shades Cordless No Drill Blinds for Windows Half Moon Honeycomb Fabric No Tools Room Darkening Shades Easy Install (1PCS Black 36" W X 18" H)
A surprisingly deep charcoal tone makes this shade catch the eye before it even gets mounted. I love this choice for media rooms because the dark aesthetic absorbs stray light far better than standard white fabrics.
Once installed, the fabric creates a dramatic theater effect that enhances cozy evening spaces. But keep in mind that black honeycomb material absorbs high levels of heat when exposed to direct afternoon sun.
Buyers note that this dark shade transforms bright rooms into comfortable screening spaces.
The fabric maintains its rich color without obvious fading over time.
Users like the secure tension hold on standard 36-inch frames.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Myshade Arch Window Shades Half Circle Blackout Cellular Shades Cordless No Drill Blinds for Windows Half Moon Honeycomb Fabric No Tools Room Darkening Shades Easy Install (1PCS White 48" W X 24" H)
The most common complaint about this midsize version involves the slight challenge of leveling the wide frame alone. I still recommend this midsize option because it bridges the gap between small accent windows and massive living room expanses.
The balanced 48-inch width provides substantial coverage while remaining manageable for a single pair of hands to mount. But you should expect to spend extra time adjusting the tension clips to ensure a snug horizontal fit.
Reviewers report that the neutral white fabric matches standard trim paint accurately.
The cellular construction provides noticeable thermal insulation against drafty glass.
Several notes mention needing a second person to hold the center during setup.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Myshade Arch Window Shades Half Circle Blackout Cellular Shades Cordless No Drill Blinds for Windows Half Moon Honeycomb Fabric No Tools Room Darkening Shades Easy Install (1PCS Black 72" W X 36" H)
Stepping up from the smaller black model, this expansive variant tackles large bedroom arches with identical moody styling. I see this version as the ultimate bedroom solution for shift workers who need total darkness on oversized upper windows.
The massive expanse of dark honeycomb material swallows ambient street light with impressive efficiency. But be aware that handling a 72-inch span of dark fabric requires careful alignment to avoid uneven pleat compression.
Buyers highlight the heavy-duty blackout capability on large upper windows.
The cordless mechanism operates smoothly despite the wider frame span.
Feedback indicates that the dark exterior appearance looks striking from the street.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
6. Myshade Arch Window Shades Half Circle Blackout Cellular Shades Cordless No Drill Blinds for Windows Half Moon Honeycomb Fabric No Tools Room Darkening Shades Easy Install (1PCS Black 24" W X 12" H)
This miniature version built its reputation on catering to awkward transom windows and small decorative semicircles. I find this tiny accent piece delightful for finishing off stairwells where standard window treatments simply will not fit.
The compact proportions make the installation process nearly foolproof for a single weekend DIY enthusiast. But you should double-check your frame depth because very shallow ledges leave little room for the mounting brackets to bite.
Reviewers note that this small shade fits tight alcoves without professional modification.
The room-darkening fabric performs reliably on upper hallway windows.
Users appreciate the low-profile look in tight architectural spaces.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Choosing Between Them
When looking for the right fit, my top recommendation is the Myshade Arch Window Shade in the 72 by 36 inch white size for anyone tackling oversized glass. If you have smaller architectural accents, the medium and compact versions provide identical cordless benefits tailored to your specific frame dimensions.
Buyers should keep in mind that half moon windows rarely conform to standard factory measurements, meaning careful verification of your arch radius and frame depth remains the single most important step before purchasing any fabric shade.
As an Amazon Associate, this site earns from qualifying purchases. Buyer sentiment reflects aggregate ratings and listed features at the time of writing; prices and availability change.





