Protection Case for Far Infrared Mat - Waterproof Protector Pad - Breathable - Ultra Absorption - Ion and FIR Heat Permeable (20x32 Mini) Infrared Amethyst mat thick multilayer waterprood protector pad White color, rectangular quilting, 3-d air mesh layer, bamboo top Permeable for PEMF, Far-Infrared Heat and Negative Ion 20x32 mini case fits all Ereada Mini Amethyst Mats non-Machine washable, non-dryer friendly