Not used Sleep Tite prime terry Mattress Protector SPLIT KING universal fit

Not used Sleep Tie prime terry Mattress Protector SPLIT KING universal fit Accidently got the wrong size. I need California King and got SPLIT KING. Was past return window when I noticed it.  A split king mattress is essentially two Twin XL mattresses placed side-by-side, creating the same dimensions as a standard king-size bed (76 x 80). I took it out of package and noticed they are 2 pieces - Couldn't get it in package as tightly packed as it arrived.  cotton Top of Mattress Protection Liquid-proof yet breathable Stops allergens and dust mites Hypoallergenic and absorbent cotton terry sleeps comfortably and will not change the feel of the mattress  This mattress protector has a fitted sheet design, with thick elastic that spans the entire perimeter of the skirt for a secure fit. Perfect for mattress depths from 6 to 22 inches. Lab-Certified H2PRO Membrane A patented and laboratory-certified membrane is quiet and allows air to permeate while blocking liquids, allergens, bacteria, and dust mites. Cotton Terry Surface The soft and breathable cotton terry fabric is backed by a polyurethane membrane that absorbs up to one liter of fluid.