SOFT & COMFORTABLE: Bath mats are filled with polyurethane memory foam and the microfiber velvet outer material, soft and cozy, skin-friendly, relieve pressure and fatigue on your feet NON-SLIP PVC BACKING: Bathroom mats feature a non-slip mesh back to prevent the mat from shifting and skidding, and the rubber back prevents water from seeping to the soft surface. WARNING: Place mat on CLEAN DRY SMOOTH FLOOR only. Water under bath mats can cause it to slip. Keep bottom of mat dry. Before using bath carpet, test with foot to ensure it doesn't move WATER-ABSORBENT: Bath rugs are treated with memory foam to absorb water and dry quickly, keeping your bathroom away from water, and keep clean every day EASY CLEANING: Machine wash in cold water. Do not use chlorine or bleach.