This stone originated from a boulder. We broke the boulder into pieces which became the stones you see here. We offer quotations and estimates. NOTE: The stone is heavy so 1-5lbs is roughly 3-4 stones depending on the thickness and size.Please let us know how big your tank is so we can accommodate! Stones will require rinsing prior to use. This item is in the category "Pet Supplies\Fish & Aquariums\Decorations". The seller is "aquaticbeeball" and is located in this country: US. This item can be shipped to United States.