Sleep Studio ViscoFresh Set of 2 4-Pound Breathable ViscO2 Memory Foam Contour Pillows with Coolmax Covers 4.0LB Breathable ViscO2 high performance meoory foam Allover ventilation for added air circulation and comfort Activated Charcoal elininates odors and helps keep your bed fresh Coolmax cover s are zippered and machine washable/dryable Dual bolster design, Made in USA