LINKU via Amazon offers the Purefly Natural Silk Eye Mask
for $9.09. Coupon code "TIIN3WSR" drops it to $4.99
. Plus, Prime members bag free shipping
. (Non-members can spend $49 to qualify for free shipping; otherwise, it adds $5.01.) It features mulberry silk construction, an adjustable head strap, and includes two earplugs. Deal ends July 31.