Nitori Blackout Grade 1, Heat-Blocking, Soundproof Curtains - 156 Size Curtains - Ivory (IV 100 x 178 x 2) ▫️ Condition Purchased in 2021 and used for about 3 years. When not in use, they were stored at home in plastic. Although not very noticeable, there are stains in several places on the upper and lower edges, in addition to the areas shown in the photos. ▫️ Product Description (Quoted directly from the Nitori official app) ○ Adjustable hooks allow for length adjustment. (A-hook specification for beautiful drapes) ○ Blackout Grade 1: Blackout rate of 99.99% or more (Level at which a person's facial expressions cannot be identified) ○ Blackout Level 5 (Nitori's blackout level. There are 5 levels, from 1 to 5, with higher numbers indicating less light penetration.) ○ Heat-blocking effect: Blocks outside air and prevents room air from escaping. ○ Insulation effect rate: 53.9% Heat retention effect rate: 34.4% ○ Soundproofing effect: Resin coating on the back of the fabric makes it difficult for sound to leak from the room and reduces noise from inside or outside. ○ Shape-retaining processing keeps the pleats beautiful even after washing. ○ Machine washable at home. □ Dimensional change rate / Vertical: -1.0% Horizontal: -1.0%