Football-cufflinks are made of birch plywood. The mechanism is made of nickel free silver plated metal. The diameter of the one earring is about 1,2 cm and thickness of the material is 3 mm. Jewellery will be sent in a stylish black box in which it is a pleasant to give someone you care as a present. Wood is a beautiful and a delicate natural material. When you are not using the jewellery, it is best for keeping it in its box. Please keep the jewellery untouched by dampness and chemicals. The silver plated part of the jewellery you may occasionally for instance clean with a silver polish cloth. Jewellery is best worn after you have applied spray and fragrance.