Are you struggling with light seeping through your curtains, disrupting your sleep? Our U-channel side rail is designed to effectively block unwanted light, providing a darker environment for restful nights and increased privacy. Perfect for various settings, this solution enhances your living space while ensuring comfort.

**Specifications:**
- Material: Durable aluminum alloy
- Length: Adjustable from 20 to 86 inches
- Color Options: Classic Black, Elegant Gray, Fresh White
- Requires a window depth of over 1 inch (2.5 cm)
- Side gap (left): Adjustable from 0.2 to 1.5 inches (0.5 to 3.81 cm)

**Features:**
- Effectively blocks light to enhance privacy and comfort.
- Sturdy aluminum construction ensures long-lasting use.
- Available in multiple lengths to accommodate different window sizes.
- Easy to install with provided mounting screws.
- Versatile design suitable for bedrooms, living rooms, kitchens, and bathrooms.

**Package Includes:**
- 2 x Light-blocking strips
- Mounting screws for hassle-free installation

**Note:**
- Color variations may occur due to lighting conditions.
- Minor size discrepancies may result from manual measurements. Thank you for your understanding.