Lucid Premium Waterproof Mattress Protector (Queen) $18 at Amazon
Amazon has the popular Lucid Premium Waterproof Mattress Protector (Queen Size) for $20 - $2 off coupon (clip green coupon) =
$18 with free shipping on $25+ or with Prime. The next lowest price for this size is $25 at Walmart and $30 and up elsewhere.
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