Airia Luxury Set of 2 Memory Foam Bathroom Mats with 4 Washable Non Slip Covers Set Quick Change Rugs 17 x 24 Inches polyester FLEXIBLE DESIGN: Flexible luxury bath mat system with changeable covers. Elegant design works with any home decor. Perfect for bathrooms, toilet, shower, floor, kitchen. Also your pets will love it maybe. WASHABLE & COST EFFECTIVE: Machine washable covers; never go without a mat! Hygienic, energy efficient, & cost effective. NON-SLIP & SOFT: Anti-microorganism, mildew resistant base. Super soft, absorbent covers. Features a durable non-skid backing, keeps the bath rug in place, even when wet. Makes it safe for children and elders. Memory foam material, absorbs and comforts your feet. Waterproof base does not require machine washing. Cover: 80% Polyester 20% Nylon, Base: Memory Foam. Made with Grip 2 Technology, made in China. Mat measures 17 x 24, 0.75 thick with cover.