The LUCID 6 Inch Gel Infused Memory Foam Mattress has a firm feel. The 4-inch high-density foam base makes it a great choice for children or people searching for a firm mattress that provides back support. Mattress buying made easy with lowest price and comfort guarantee. Compare brands, costs & reviews. Buy online, at your local store or call 1-877-384-2903. Shop spring and memory foam mattresses and mattress sets from Simmons Beautyrest, Serta, Hampton & Rhodes and YuMe – in pillow top, plush or firm comfort and twin, twin XL, double, queen, king and California king bed mattress sizes. Browse our selection & reviews of top mattress brands, such as Simmons, Sealy, H&R & Tempur-Pedic. We have plush, pillow top, firm & contoured mattresses. Family Run Memory Foam Mattress Company established 2005, selling the UNO Branded mattresses manufactured in Derbyshire, using the highest grade of British VitaFoam. No Quibble 14 Day Money Back Guarantee and 10 Year Manufacturers Warranty. Sleep Science Black Diamond 11″ Memory Foam King Firm Mattress Supportive Specialty Hybrid Memory Foam and Latex Hybrid Mattress. Two 5lb Density Memory Foam Comfort Layers, with 2″ of Supportive Latex. Mattress Doesn’t Use Chinese Memory Foam I stayed away from Chinese memory foam when sourcing my mattresses. The pressure to keep cost down is just so intense in China, that there have been case after case of Chinese manufacturers shipping substandard products (toys painted with lead paint, flooring that was not up to US certifications but said it was, etc). .