Convert A Fit Mattress Protector Pad Cal King (72x84 inch) Protects mattresses from stains (accidental spills, perspiration, bodily fluids) Available in common mattress sizes fits Cal King (72x84 inch) Hypo-allergenic- Elastic corner straps provide a secure fit for all thick and thin mattresses A must for families with children and pets! Mattress protector goes on like a fitted sheet. 50% Cotton/50% Polyester Mattress Cover Offers Breathable Year Round Comfort