6" High density Talalay latex rubber is, Self-ventilating and hypo allergenic ,Neutral to most common allergies, No dust mites prevents and Inhibits growth of bacteria, no mold or mildew. The 100 percent organic cotton cover, is Quilted to 3/8" + 1-1/4 " Soy based convoluted foam and 22oz all natural Joma Wool, on both side so the mattress is flippable. The triple sewn handles for easy rotation and flipping of the mattress. The top of the box spring is upholstered with the non-skip Grip-top fabric to prevent the mattress from sliding. The standard 8” steel High performance semi flex box spring is available in low profile 5” or High Profile 10” at no extra cost.