2 Cal King or King Mattresses Protective Covers. Compatible with ALL Pillow Top and Box Springs. Ideal for Instant Bed Bug Protection, Packing, Moving, Storage and Transport. Professional Grade 2.2 Mil Thick, Heavy Duty Recycled Plastic. Non-vented. Eco-friendly and Proudly Made in America and the Highest Quality Mattress Bad Sold on Amazon! Mattress Protection for Cal King and King Size Mattresses. Designed to Protect from Bed Bugs During a Move, Storage or Transport. Toughest Mattress Bag Made in America. Made from Recycled Materials Compatible with All Pillow Tops and Box Springs Proudly Made in America!