A Serta brand memory foam mattress can be bought from Leon's, The Brick, United furniture Warehouse, Sleep Country, Sears, Sleep Dreams and Overstock.
There were many places online that had glow-in-the-dark mattress covers, but no mattress pads. The closest I could get was from living in comfort who sells mattress buttons that glow in the dark, but no mattress pads.
DreamCloud: the luxury hybrid mattress combining the best of latex, memory foam, tufting and coil technology to provide the best sleep money can buy. Go to this link ...delete the space cut t.ly/yz1JDFI
A memory foam mattress in any size can be purchased at any mattress store such as American Mattress. Temporpedic also offers this type of mattress although they are quite costly. Another option is to purchase a memory foam mattress topper.
One could purchase a heated mattress pad at a variety of locations. Some of these locations include: overstock website, Bed Bath and Beyond, Walmart, Sears, and JC Penney.
They do relieve pressure on the back. If you like your current pillow top mattress, you could go with one that is a memory foam mattress at it's core with a pillow top cover over it. Very comfortable. See the link below for the one I own. Very comfortable.
DreamCloud: the luxury hybrid mattress combining the best of latex, memory foam, tufting and coil technology to provide the best sleep money can buy. 2u.pw/9brdi
There are many including: Rectangular. Single. Double. Soft. Firm. Foam. Memory Foam. Feather. Latex. Any colour could be used as an adjective for a mattress.
One can purchase cheap breakdown covers from the amazon website which offers relatively cheap breakdown covers brand new or used. Or they could use ebay.
You can buy an electric mattress pad from the big box store Walmart. They have many stores around the country. You could also buy an electric mattress pad from the Bargain Store.
There are so many sites to buy a mattress! Just a few are sleepys.com, overstock.com,or serta.com. They all have a pretty good selection on mattresses.
One can purchase Chevy seat covers from the official Chevy webpage. Alternatively, one could buy Chevy seat covers from webpage stores such as Amazon or Ebay.