Exotic Environments Forgotten Ruins Aquarium Ornament is made with durable poly resin material safe for use in all aquariums, Dimensions: 7, 5"" x 5, 5"" x 7"", Safe for Freshwater and Marine Aquariums and Terrariums, Hand Painted Detail, Solid one piece construction, Swim thru holes for fish, SKU: RYLHC821