Simmons Curv 3-inch Flat Gel Memory Foam Mattress Toppers up to 70% off: King size for $135 (Orig. $270), more

Today only, as part of the Gold Box Deals of the Day, Amazon offers 50% – 70% off select Simmons Curv 3-inch Flat Gel Memory Foam Mattress Toppers. The King sized mattress topper goes for $200 currently at Overstock, but can be had for $135 in today’s sale. That’s $65 off and the lowest we’ve seen it at Amazon by $35.

Each mattress features 3-inch Gel Memory Foam that creates more airflow for a more comfortable sleeping temperature.

Here’s the breakdown of each mattress by size and how much you can save:

• Queen $110 (Reg. $260) 
• Cal. King $135 (Reg. $270)
• Full $95 (Reg. $250)
• King $135 (Reg. $270)
• Twin $70 (Reg. $240)

Each mattress meets the threshold for free shipping and has received 4/5 star ratings.