✔ Concerned about noise leaking outside?✔ Want to soundproof your windows without replacing your current curtains? The Easy Soundproof Liner is the perfect solution. Simply attach it to your existing curtains to add soundproofing, thermal insulation, and blackout performance—without replacing the curtains you already have. Product name Soundproof Curtain Liner Size / Weight W105cm x L97cm / ≒750gW105cm x L127cm / ≒950gW105cm x L170cm / ≒1.25kgW105cm x L192cm / ≒1.4kgW105cm x L207cm / ≒1.5kg Material 100% Polyester Country of manufacture Japan How much soundproofing effect is produced before and after installing the Soundproof Curtain Liner? By installing the Soundproof Curtain Liner, it is highly possible to reduce sounds that are about 5db. Can I order a custom size? Yes, it is possible. However, it will take longer to deliver than our ready-made sizes. What is the best way to install it? You can install it using the same hooks as your existing curtain. There is no need to prepare new curtain rails or hooks.