Wayfair 12" Firm Gel memory foam mattress for sale.

Mattress 12" firm gel memory foam used for 3 months with mattress protector and it is in mint condition, as good as new. This mattress is free from any defect, used in hygienic environment. I am selling as I am looking for extra firm mattress. This mattress is listed and selling at around $600(tax inclusive), I am willing to sell at $299 and open to negotiate as long as decent offer is made.