Cannot be washed or dry cleaned. Due to the nature of the product, there are some variations in size and color. If it gets dirty please wipe it gently with a firmly squeezed cloth. Synthetic latex is used in part of latex of medium material. It may deteriorate depending on the use and storage conditions. Donot using or storing in hot and humid conditions. Due to natural of the material it has a special smell the smell can remove by ventilation. It will become thinner as you use it. Due to the nature of the product, there is a part where the latex on the back is bleeding out, it is not quality issue. Depending on the type of flooring material, the latex may move to the floor, so regularly replace the air and check the stickiness of the floor etc. Colored yarn is mixed in back fabric. Please note the color transfer to a light color flooring. Due to the nature of the material, it may discolor if it is illuminated with direct sunlight or light for a long time. It may fade or transfer color to others. Friction during use may cause fuzzing, fluff loss and pilling. Donot pull the pile. Pay attetnion it is easy to slip out because of thin threads with gloss. Because it uses sweet-twisted yarn, twisting may be released by use. Please attention with use vacuum cleaner use the lowest power mode to avoid threads being pulled out.