TOP QUALITY PURE MULBERRY SILK - Made of 100% top quality mulberry silk on both sides NMM Global sleep mask is not only compatible with human sensitive skin but also very smooth lightweight comfy and breathable.</br>ONE FITS ALL ADJUSTABLE HEAD STRAP - With soft elastic strap NMM Global sleep eye mask is gentle and adjustable without any pressure. The plastic adjuster stays at the back of head and will not tangle the hair.</br>RELAX IN TOTAL DARKNESS - Blocking out all light it is perfect for nap travel yoga meditation camping shift work and who suffer from insomnia migraine headaches dry-eye problems as well as side sleepers.</br>FOUR SIZES - Size L: length 8.7 width 3.9; Size M: length 8.3 width 3.7; Size S: length 7.1 width 3.2; Size XS: length 5.9 width 2.8 (L M for all; S for kids; XS for baby). In addition please search NMM Global on Amazon for Size S and XS.</br>PACKAGE - 1 x sleeping mask 1 x ear plugs good choice as a gift.</br></br>Product Description</br></br><p><b>NMM Global--Offer You the World</b></p><p><b>How to get better sleep? </b></p> <p>The major factor for better sleep is the hormone Melatonin which regulates the day-night cycle of the human body and controls the recovery phases during the sleep. For the production of this hormone??