Leather products are designed and manufactured in line with the purpose of use. Do not use or handle the product other than for its intended purpose. Do not overfill the product as it may cause malfunction or cause the product to lose its shape. The surface is processed with a unique treatment, mocking the sensibility of the natural leather. Because of this nature there is a roughness, color unevenness and an individual look to the surface - please enjoy the unique texture on each product.Due to the nature of these leather materials, it may harden over time if stored and untouched for a long period of time. Please note that the gold / silver foil and printed area may peel off due to friction or contact with water.For products with fasteners, pull the slider in parallel to avoid getting your fingers caught.For products with snap buttons, the button may rotate but this will not affect the use of the product.Wipe light stains with a soft and dry cloth. For stubborn stains, apply a small amount of leather cleaner to a soft cloth and use a dry cloth to wipe it off. Be sure to test the cleaner or cream on an inconspicuous area before fully applying.Do not use alcohol-based solvents such as benzine or thinners.Sweat, perspiration or oil may cause stains or discoloration.Rubbing, contact with water or sweat, or sunburn may cause discoloration or deterioration. Please keep your clothes away when the item is wet as it may cause color transfer to your clothes. If the product gets wet, immediately wipe it off with a soft and dry cloth, avoid direct sunlight and dry it in the shade in a well-ventilated place.Please note that if you keep the product in a hot and humid place (near a heater, inside a car, etc.) or in direct sunlight, it may cause discoloration, deformation, mold or metal rust. After use, store it in a well-ventilated place with low temperature and humidity.Do not wash the product with cold or hot water.Please note the product details are subject to change without notice for improvement.