Amazon Basics Premium Foam Mattress – CertiPUR-US Certified – 7-inch, 2-Pack Twin Price: $250.18 (as of 07/01/2021 03:29 PST- Details) & FREE Shipping.

2-pack of 7 inch Twin foam mattress with medium-firm comfort level
Quilted surface and high-density foam construction provides a luxurious sleep experience
Ideal for day beds, guest suites, or kids bedrooms

Usually ships within 5 to 7 days.