General description Our high-quality polished decorative gravel stones are highly versatile and can be used in various applications. This river gravel, made from natural materials, requires minimal maintenance. You can use this product as decorative material both indoors and outdoors. Thanks to their smooth surface, the stones do not provide a surface for dirt to cling to. Technical specifications Color: Black Size: 40mm - 80mm Weight: 20kg per bag Usage Decoration in and around the house and garden House borders (drainage paving) Japanese gardens Pond design Flat roof coverings Grave decoration Pathways Flower pot decoration or indoor fountains Window display design Other information Tip: For outdoor use, consider using a weed barrier or garden fabric, which is also available for purchase.