UNIQUE DESIGN: Suction cup curtains feature 20 silver rings on all four edges for secure attachment. Strong suction cups and durable rings help prevent the curtain from falling. EASY TO INSTALL: Attach using suction cups without the need for adhesives or tape, ensuring no damage to windows. Follow the included instructions for proper installation. EASY TO ADJUST: Suction cups allow for adjustable width and length, making the blackout curtain suitable for glass windows, sliding doors, and other glazed areas. HIGH-QUALITY MATERIAL: Made with triple-weave polyester, the curtain blocks 80-95% of sunlight and UV rays, offering thermal insulation, noise reduction, and privacy protection. BLACKOUT FUNCTION: Helps create a peaceful environment by blocking direct sunlight, ideal for roof windows or dormers. Keeps rooms cool in summer and warm in winter. SOLID PERFORMANCE: Suction cups have a diameter of 4 cm and are tested to hold over 8 lbs, ensuring reliable support for the curtain. TIPS: Suction cups may be slightly deformed due to packaging. To restore shape, soak in warm water for 5-6 minutes, then dry before use. PRACTICAL & PORTABLE: Effective shading for home use and easy to carry while traveling. Color: Black Material: Polyester Size: 198 x 130 cm Package Contents: 1 x Curtain 20 x Suction Cups 20 x Rings Note: The package includes only the items listed above. Note: Monitor displays and lighting may cause slight color variations between the image and actual product. Measurement may vary by +/- 1-3 cm.