PACK OF 2 : Perfectly fits the 12x20 size pillow Zipper Closure: Many pillow protectors come with zipper closures, ensuring a secure fit around the pillow and preventing it from slipping out. Breathability: Some pillow protectors are designed to be breathable, allowing air to circulate while still providing a protective barrier. This is particularly important for maintaining a comfortable sleep temperature. Protection: Pillow protectors act as a barrier, protecting pillows from stains, spills, and other potential damage. This helps extend the life of the pillow. Easy to Replace: Pillow protectors are easy to replace and are a cost-effective way to refresh bedding without having to replace the entire pillow. Dee's Collection Waterproof Pillow Protectors Cover Set of 2 12x20 Size ( Chocolate ) Zippered Clouser, Effective Dust Protection & Soft Quiet Terry Cotton