A 12-inch firm mattress from King Koil uses Chiropractic Spring Coil 2.34mm diameter. Enhanced with Steel Edge Support with Steel Clips to provide increased firmness for seat edge strength. Engineered with Flex Edge Supports on perimeter to create 23% greater usable sleeping surface and no-sag seating edge to extend mattress life. Hard-wearing Insulating Pad over the top of the coils securing it to the inner spring preventing the upholstery layers from cupping into the coil. With 3-inch Eurotop in high density foam with firm cushioning layer of Posture Sheet with unbending nature that keeps up solid back and neck support, eliminating pain in the lower back of one's body. It provides extra strength and rigidity while being antimicrobial. The ticking is treated with Sanitized embedded in the textile for constant protection against bacteria, dust mites and allergens, odor-resistant and safe for human and the environment. It is also treated for repellency fight off dry soil and nasty unpredictable spills and splashes, allowing liquids to bead up and roll off.

Type of Mattress: Spring

Firmness: Firm

Warranty: 20 Years

Size: Single 12 x 36 x 75 in

Sku: 10425709