Patented Sleep Mask - Premium Quality Eye Mask with Contoured Shape by Nidra - Ultra Lightweight & Comfortable - Adjustable Head Strap to Fit All Sizes - Sleep Anywhere Anytime - Ideal for Men and Women - Great for Travelers - Sleep Imported Material:Cotton + Spraying Collodion Composite Only positive printing Size: 8.3" * 3.6" / 21 cm x 9 cm NO Smell or Dyes Problem