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 without glue or stickers using suction cups only. No damage to windows. Follow included instructions for proper installation. EASY TO ADJUST: Suction cups allow customization of width and length for blackout drapery, suitable for glazed or glass windows, sliding doors, and proof windows. HIGH-QUALITY MATERIAL: Made with triple-weave technology, the curtain blocks 80-95% of sunlight and UV rays. Offers excellent thermal insulation, noise reduction, and privacy protection. BLACKOUT FUNCTION: Helps create a peaceful environment by blocking direct sunlight, ideal for roof windows or dormers. Suction cups enable easy adjustment. Helps maintain room temperature by keeping it cool in summer and warm in winter. SUCTIOn CUP SPECIFICATIONS: Each suction cup has a 4 cm diameter. Tested to hold over 8 lbs, ensuring reliable hold for the curtain. TIPS: Suction cups may arrive slightly bent due to packaging. To restore shape, soak in hot water for 5-6 minutes, then dry before use. SHADING EFFECT: Provides effective light blockage for homes and is portable for travel use. 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: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.