Color: White Natural sea glass collected from the sea in Niigata. It has been washed and dried. Please refer to a 1-yen coin for size. Approximately 170 grams. It will be put in a bag, wrapped in bubble wrap, and shipped. Other colors are also available. Combined shipping is possible, so please inquire. No returns, refunds, or exchanges (3N). The 1-yen coin is not included.