King Size Sleepy's Gemma Memory Foam Firm mattress for sale for $1050. Gemma Firm is essentially a slightly cheaper version of a tempur-pedic mattress. Originally purchased in July 2013. Includes GEMMA FIRM KING SET and TITAN UNIV BEIGE 39X80 BOX. Deal also includes never before opened 3 piece quilt set (King) which includes 1 quilt (101" x 86") and 2 pillow shams (20" x 36"). Gemma memory foam mattresses are made of plant oil-based foams. Foam have an open-cell structure so they are more breathable than standard foam mattresses. Certified under the strictest Oekotex 100 Class I, Gemma is 100% free of any harmful chemicals and is certified for use by young children under 3 years of age. Gemma Firm mattresses are 10" height; 7.5" foam support core; 1.6" Gemma Visco Elastic Foam; 0.8" Firm Gemma HR Foam. King bed comes with one mattress and two half-width box springs to be more manageable when moving.