Half moon or arched windows benefit from curtains that fit their unique shape while maintaining light control and privacy. This guide highlights five top options that combine easy installation, clean aesthetics, and effective blackout or light-filtering performance. Each pick works well for crescent or semicircular transoms, delivering a snug fit and a polished look for modern homes.
Summary of Selected Products
| Product | Size / Radius | Type | Key Benefit |
|---|---|---|---|
| HOMEDEMO Arch Window Shade Blackout White | 48″ x 24″ (Half Moon) | Cellular Shade | 100% blackout, no-drill installation |
| HOMEDEMO Arch Window Shade Blackout White | 72″ x 36″ (Half Moon) | Cellular Shade | Full blackout, easy tool-free setup |
| MYshade Arch Window Shades | 72″ x 36″ (Half Moon) | Honeycomb Cellular | Darkening privacy with simple installation |
| Jlong Arch Small Window Shade Curtains | 24″ x 12″ (Half Circle) | Pleated Fabric | Easy stick-on installation, lightweight glare reduction |
| WelvetBLK Moon Beige Kitchen Curtains Tier | 30″ W x 36″ L per panel (2 panels) | Cafe Curtain Tier | Soft light filtering, versatile decor style |
HOMEDEMO Arch Window Shade Blackout White — 48″ x 24″

This half moon cellular shade uses strong adhesive Velcro for quick, drill-free installation and effortless cleaning. The shade is constructed with fade-resistant polyester and a reflective aluminum foil layer to deliver 100% blackout, enhanced insulation, and reduced outside noise. The set includes Velcro strips, a support bracket, a measuring tape, and clips for a secure, tool-free setup suitable for arched windows.
HOMEDEMO Arch Window Shade Blackout White — 72″ x 36″

Designed for larger half moon openings, this 72″ by 36″ shade continues the no-drill installation concept with straight-forward mounting via Velcro strips and included hardware. Its blackout performance and thermal insulation help maintain comfortable indoor temperatures while reducing external noise, making it ideal for living spaces with expansive semicircular windows.
MYshade Arch Window Shades Half Circle — 72″ x 36″

MYshade’s arch honeycomb blackout shades blend durability with easy maintenance. The half round design fits arched windows with radii up to 36 inches, and the product includes accessories to prevent tilting or falling. While offering complete blackout with laminated aluminum foil, installation relies on sturdy double-sided tape for a tool-free setup, suitable for quick room updates.
Jlong Arch Small Window Shade Curtains — 24″ x 12″

This half circle pleated fabric blind is easy to install with no tools—simply peel and stick. It is made from non-woven material that filters light, reduces glare, and helps protect furniture from UV fading. The product is suitable for a variety of window shapes, including circular, arched, and square openings, and comes with multiple potential placement options for flexible decor.
MYshade Arch Window Shades Half Circle — 72″ x 36″ (Black)

This black 72″ by 36″ shade features a laminated aluminum foil layer for complete blackout and privacy. It is designed for arched windows with radii up to 36 inches and includes accessories to prevent tilting or falling, along with double-sided tape for a tool-free, simple installation process.
MYshade Arch Window Shades Half Circle — 48″ x 24″ (Black)

This smaller half round shade provides blackout with a durable honeycomb fabric and speaks to easy trim options for irregular arches. It uses double-sided tape for installation and aims to balance privacy with a clean, minimal look for compact arched windows.
Jlong Arch Window Shade Curtains — 36×18

These pleated fabric shades offer easy installation with tape-and-stick setup. They are designed for a range of window shapes, provide light filtering, and help reduce glare while offering a soft, decorative touch to half circle and semi-arch openings.
Buying Guide: Key Purchase Considerations For Half Moon Windows
- Fit and coverage: Measure the arc radius and overall width to ensure a shade or curtain set fits neatly within the curved opening. Some products are designed for a specific radius, while others offer trimming options to tailor the fit.
- Light control vs. ambiance: Choose between 100% blackout cellular shades for complete darkness or light-filtering fabrics that soften daylight while preserving privacy. Consider room usage (bedroom, living room, kitchen) when selecting material and opacity.
- Installation method: No-drill, adhesive Velcro, or tape-based installations offer quick setups. If you rent or move often, tool-free installations provide flexibility without wall damage.
- Durability and care: Look for fade-resistant fabrics and easy-clean designs. For ceilings or high-traffic areas, preferred materials include durable polyester blends or honeycomb fabrics that resist wear.
- Thermal performance and noise: Cellular honeycomb shades improve insulation and can reduce outside noise, contributing to energy efficiency and comfort in varying climates.
- Aesthetic compatibility: Select colors and textures that complement current decor. Moon beige, white, and black options provide versatile styling with contemporary and traditional interiors alike.
- Maintenance and cleaning: Some products allow full detachment for cleaning, while others rely on surface dusting or simple wipe-downs. Consider how often you’ll refresh or clean the shade.
- Return and warranty: Check manufacturer guarantees and Amazon return policies for peace of mind, especially for non-standard window shapes that may require precise fitting.