The English description says: 1. Adjust the elastic head strap to the back of your head, avoiding your ears. 2. Close your eyes and adjust the sleep mask little by little until no light enters. Washing instructions: Hand wash in cold water not exceeding 30°C, and gently rub. Air dry, do not wring, and do not use a microwave or dryer. This is a set of two navy and black eye masks with a three-dimensional shape, a good feel, and adjustable straps. - Colors: Navy, Black - Material: Foam material - Design: Three-dimensional shape - Straps: Adjustable straps I have kept these in storage since I purchased them, but I never ended up using them. I will ship them in their original packaging. m(_ _)m Please refrain from purchasing if you are sensitive to items stored at home. Thank you for looking.