Shoe Doctor® Nano Silver Technology Insoles provide maximum odour prevention and superior comfort. Advanced Antimicrobial Nano Silver Technology kills odour causing bacteria, therefore keeping your shoes fresh all day long. CONTENTS: 1 Pair COLOUR: Grey ‍INSTRUCTIONS: Insert into your shoes with cloth side up. Discontinue use if discomfort or irritation occurs. If irritation persists, seek medical advice. Do not use in contact with broken or irritated skin. ‍CLEANING INSTRUCTIONS: Hand wash in warm soapy water (30°C). Dry flat, away from direct heat. Not recommended for machine washing. SIZING GUIDE: