When purchasing products on kunskapstavlan.com the customer has a 30 day cooling off period. The product and product packaging must be intact, that is, unused and not destroyed or damaged. Return shipping is paid by the customer if you decide to cancel within the cooling off period. Contact us for more information via info@kunskapstavlan.se. A 3 year guarantee applies after you have received the product. To register, email us at info@kunskapstavlan.se. Please save the packaging in case you need to complain to the postal service about shipping damage. The guarantee is provided according to the Consumer Rights Act. Contact us via info@kunskapstavlan.se for detailed instructions regarding the above.