3 sizes: 12", 10" and 7". Stand alone trees are made of natural oyster shells.Mud Pie Oyster Shell Tree$21.99PriceSizeSelectQuantity*Add to CartPRODUCT INFO Size: Small - 4 x 7 in. | Medium - 6 x 10 in. | Large - 7.5 x 12 in. SKU: 426B005 UPC: 718540207598 Material: OYSTER SHELL