Spa Sensations 4-Inch Memory Foam Mattress Topper With Theratouch Dorm room mattresses are traditionally uncomfortable, and your bed should be a sanctuary. The Spa Sensations 4-Inch Memory Foam Mattress Topper With Theratouch ($70, originally $106 for twin-XL) is a true must have. Image Source: walmart.com Spa Sensations 4-Inch Memory Foam Mattress Topper With Theratouch $70 from walmart.com Buy Now