Activated charcoal insoles provide hygiene and relaxation. Activated charcoal absorbs moisture and odors of perspiration. They are ideal for any footwear and provide comfort and well-being to the feet. Adjustable to cut to the desired size, size 35 to 45. Maximum use of 3 months. Size format; 30.5 x 10 x 0.8cm, comes as a pair and includes a paper measuring stick.