Window Cover for Freightliner Cascadia 2008-2025 – Designed to perfectly fit your sleeper window. High-Quality Material – Made of two layers of durable vinyl, ensuring long-lasting protection and insulation. Temperature Control – Helps maintain a comfortable cabin temperature by blocking heat in summer and retaining warmth in winter. Privacy & Sun Protection – Shields the sleeper area from sunlight and prying eyes. Easy Installation – Hassle-free setup with a secure fit.