Size: Fits one king mattress
Keep your king mattress or box spring protected against dust, soil, moisture and light exposure during your move or time in storage.
Buy one for your mattress. A king mattress typically sits on two twin box springs, so you will need two twin covers for the box springs. If storing your mattress for an extended period, toss a few silica gel dessicant packets inside the bag before zipping up to keep your mattress fresh.