Zinus – Extra 15% Off 12” Spa Memory Foam Mattress: Twin: $123.17, Full $160.65, Queen: $198.90 + Free S/H By admin | June 4, 2018 6:16 pm EST 0 Comment Zinus.com has Extra 15% Off 12” Spa Memory Foam Mattress with promo code SWPFMD15 with free shipping. Twin: $123.17 Full: $160.65 Queen: $198.90