Decorative natural mix landscaping stones/marbles for gardens, ponds, indoor-outdoor designs, landscape projects, aquariums, and more.Standard Sizes: 20*40 mm (2*4 cm), 40*60 mm (4*6 cm), 100*300 mm ( 10*30 cm)Different dimensions are also available.� Other sizes are arranged according to the needs/projects of the customers. Please check our other stones/products for more variety.