4-Layers: the outer layer is made of polyester, and the inner is non-woven fabric with sponge filler. These materials block the light much better
Comfortable nose design: 2 elastic straps make the black eye mask stay on place, fit comfortably
Easy to carry: compact size and light weight make these satin blindfolds easier to carry and store
Multi uses: this sleeping mask is nice for you to take a nap at home or office, or on plane or train while you are traveling. Nice for kids birthday party, classroom activities and other parties. You can also DIY on the surface of blindfolds make it looks beautiful and nice
Quantity: 1 package includes 30 pieces of sleep mask bulk. They can be applied for multiple times
