Collected on the shores of Lake Biwa. Washed with water. Pale blue and blue-green bottle bottom sea glass. The patterned design and unique texture and color are attractive. ❈The 10-yen coin is for size reference and is not included with the product. Perfect for sea glass art, collections, accessory making, and as an accent in aquariums and interiors♡ Please take a look at my profile! ෆ⁠╹⁠ ⁠.̮⁠ ⁠╹⁠ෆ #BiwaGlass Thank you for viewing.