Material: Copper Color: sand silver Size: 3cm in length Basic maintenance and precautions -Do not touch the water, avoid wearing when going to bed or bathing -Photos are taken from real products. Due to the computer display, shooting light and lighting, it is inevitable that there is a problem of color difference. The products are mainly real products. Shipping time estimate -Delivery in Mainland China within 1-3 working days; -Delivery to Hong Kong, Macau and Taiwan within 4-7 working days. Ear acupuncture products are hygienic products and cannot be returned for unpacking. Ask the designer if you have questions about the product.