Style notes use these comfort insoles to keep the insoles of your shoes intact, therefore prolonging their lifespan. They also help to keep feet dry and odour-free for all-day comfort. Material smooth synthetic use: neutralizes odours using a natural odour control technology that uses 100% natural microbes and self-activating enzymes. Helps wick away moisture thanks to a soft top fabric made from recycled materials. Algae eva foam layer adds cushioning comfort while its micro-perforations promote increased air circulation. Ideal for all season shoes. Instructions: after positioning carefully, remove backing paper and press the adhesive side firmly into place on a dry surface. Change once over used.