Serta iComfort Reversible 2-in-1 Reversable Mattress Protector with Pillow Protector, King 100% Tencel Lyocell/Waterproof Membrane/100% Cotton Jersey Imported Reversible Protection Also includes two iComfort TENCEL pillow protectors King Size. Dimensions: 60"W x 80"L x 18"H, Pillow Protectors: 21" x 28"