Material: The silk sleep mask is made of soft and comfortable satin, feel good on your face, touch your skin gently. Helps you block out light more effectively while sleeping or taking a nap. Easy to Tie: The sleep mask 150cm satin bands make you comfortable to wear, easy to tie and easy to tie. won't fall off while you sleep, suitable for most women, men, kids Portable to carry: Foldable size and light weight make these satin sleep masks easier to wear and store. Size: 2 pack black eye mask, each one is 150cm long and 7cm wide. The blindfold tie that you can use and long enough that you can tie it in the styles you want. Multi uses: Ideal for napping at home or in the office, or on the plane or train while traveling; Good for kids birthday party, classroom activities and bachelorette party; You can also DIY the eye surface to make it look special and nice. Due to factors such as manual measurement and display differences, there may be slight differences between individual products and pictures, please excuse me.