The size of your mattress should measure 6 inches high by 35.5 inches wide by 84 inches long in order for this product to fit correctly.
If your mattress is NOT 84 inches long and is 80 inches long, you can still use this cover but will have some extra fabric on either the head end or the foot end which after you dress the bed will be a very minor inconvenience.
The cover is a two piece product that zippers together to make a complete encasement for your mattresses foam or air system. the underneath side has an opening to allow a two inch hose to pass through into the underneath side of the mattress. If you do not need this opening for your mattress simply fold the opening down and disregard the opening.
Poly Urethane coated fabric provides bi-directional stretch
Fluid Resistant to extend mattress life
Built-in antibacterial properties resist mildew and fungus
•Hypo-Allergenic and Anti-Microbial protection
•Resists abrasions and liquid absorption
•Patented Zipper-Flap Design to protect foam core