This Twin size 6-inch Thick Mattress – Made in USA would be a great addition to your home. Made in the USA! Unbelievable value! Mattresses are compressed, rolled, boxed and shipped for ease in shipping and installation! The Comfort Plus Smooth is a no-flip mattress with a firm feel and smooth top construction. It features a 288-coil innerspring, sta-rite inner quilted fiber and a strong, non-woven gray fabric that is durable. Twin smooth top 1 sided roll able mattress.