NSC Medical 15.2 cm (6 in.) Tri-fold Mattress | Costco
Amazon.com: Yojoker Foldable Mattress, 4 Inch Folding Mattress with Soft Blanket, Tri-Fold Memory Foam Mattress with Bamboo Cover, Fold up Mattress for Floor for Yoga and Sofa Bed, Queen 75.6"x58"x4" : Home