Collected from the sea in Hokkaido. Washed and cleaned. Natural sea glass, 500g set. Perfect for winter holiday crafts! This is an inexpensive offering of items that couldn't be sorted. Sizes and colors vary. Some pieces are clean and undamaged, while others have scratches or chips. (Most are relatively clean!) Shipping will be via anonymous Mercari delivery. Thank you! Includes many smooth, blue-green sea glass pieces. - Color: Blue-green sea glass - Shape: Irregular shaped pieces - Size: Mostly small pieces - Features: Smooth surface and transparency - Quantity: Contains many pieces Thank you for looking.