Buy Ovela: Portable Folding Foam Mattress - Single at Mighty Ape NZ
8" Twin Mattress - Memory Foam Mattress 5-Layer Comfort Supportive Medium-Firm Mattress in a Box with Breathable Cover, Made in USA, CertiPUR-US Certified for Single Bed Guest Room - Walmart.com
Amazon.com: ZINUS 8 Inch Cooling Essential Foam Mattress / Affordable Mattress / Bed-in-a-Box / CertiPUR-US Certified, Twin White : Home & Kitchen
Go Furniture - Single Foam Mattress
Gilmac - Your Hospitality Supplies. Sleepyhead Foam Mattress - Single