The Classic Dreamer Sleep Mask with Wide Cradling Head Band 100% Light Blocking The Dreamer Sleep Mask is a long time favorite of many Dream Essentials customers; liked for its style, comfort, and its excellent ability to block light. The soft padded fabric that rests gently over the eye area is 100% fully breathable cotton. The Dreamer Sleep Mask is super-comfy and, when fitted correctly, it will typically block 100% of light. Inside of Mask The padded fabric that rests gently over the eye area and on the face is plush, fully breathable and features 100% cotton interlock padding which cushions the eyes. Outside of Mask The fabric on the outside of this nighttime sleep mask does not make contact with the face; it simply defines the look and feel of the mask. You get to choose a color that you feel most comfortable wearing. Strap Details This Sleep Mask features the Comfort Snug head band, which is a wide strap that gently cradles the head in a smooth secure way Care Hand wash in warm water with a mild detergent. Lay flat to dry. Dimension Size: 4" x 10" Weight: 1.4 oz