12" iSwitch Flippable Two Sided Mattress - Medium Firm/Medium Soft

Mattress Cover  The cooling zip-off machine-washable cover is easy to clean and reduces allergens when laundered. Setup PLACEMENT: Before opening, place the mattress on a proper surface such as a continuously solid surface, an adjustable base, or slats no more than two (2) inches apart capable of supporting the mattress and users.    UNWRAP: Use scissors to unwrap and unroll the mattress from the plastic; DO NOT USE A RAZOR BLADE.  EXPAND: Allow the mattress to expand. The mattress may take up to 72 hours to fully recover and return to its original shape. You can sleep on it immediately; the body heat and movement will expedite recovery.   Care Instructions  The mattress cover is machine-washable, wash on a cold, gentle cycle with like colors, and air dry without heat.   A mattress protector is recommended, but not required, to protect and increase the mattress's longevity. Liquid damage of any kind does not qualify for a warranty replacement. If a liquid spill occurs, remove the