You can exercise the right of withdrawal by sending, within 14 days from the receipt of goods, a written notice by registered letter with return receipt. It has to be sent at: Crespi S.r.l. - Strada Statale del Sempione, 37 - 20015 Parabiago (MI) specifyng the code and the date of the order, if it is a partial withdrawal, the code of the article/s and if you want the product/s substitution with one of the same value or the return of the amount paid; in the latter case you will have to provide the extremes for the refound.