A beloved shell shape, the clam shell planter and table vase are dedicated to one of the ocean's most well-known sea shells. A tidbitthe annual growth rings on the shell's exterior determines it's age. This is a welcome addition to any garden or balcony setting. Natural stone cast is an indoor and outdoor material made of natural crushed stone. Material: Natural Stonecast, With Protective PU Top Coating • Natural stone cast is an indoor and outdoor material • Made of natural crushed stone. • Material: Natural Stone cast • Protective PU Top Coating   PRICE & DIMENSIONS: Large: 28.35"W x 11.42"D x 17.91"H ($375) Small: 23.62"W x 10.63"D x 14.17"H ($285)