Odor-Eaters Ultra-Durable Odor-Destroying Insoles - Odor-Eaters Ultra-Durable Insoles with Heavy Duty Cushioning destroy foot odor with super-activated charcoal, baking soda, zinc oxide, and two powerful odor-blockers. The insoles draw in perspiration, so feet stay drier and feel more comfortable. Ultra-Durable's heavy-duty, extra sturdy construction is designed for longer wear and outstanding cushioning for hard-working feet. This product is one-size, trim-to-fit. DIRECTIONS: 1. Select shoe size on bottom of insole: M = men, L = ladies, B = boys, G = girls. 2. Trim soles along guidelines with sharp scissors. 3. Place into a shoe with cloth side up. Avoid contact with the mouth. Wash hands after use INSTRUCTIONS: One template for all sizes. 1. Select the shoe size on the bottom of the template M (men) L (women) B (boys) G (girls). 2. Cut with sharp scissors to the size of your shoes, following the printed guide selected. 3. Place inside the shoe with cloth side up. Avoid contact with your mouth. Wash hands after use.