1. Simulation of retro castle–Our decorations are suitable for family aquariums, which can create a realistic world for your aquarium and provide you with visual interest. Aquarium decoration will add more flavor to your aquarium and provide shelter for your fish. 2. Made of resin material-This environmentally friendly resin material is nontoxic and pollution-free, which is safe for fish and water quality and will not fade after long-term use. Colorful scenery makes your fish more energetic. 3. Design–Carefully crafted, the resin material is stable, stable and stable. No special maintenance requirements, easy to clean. 4.Please match the size for your aquarium and aquarium pets. The bottom of this ornament is flat enough to make it stand stably in a place in the fish tank. 5. Durable and easy to clean When replacing the water in the water tank, just clean it with flowing water. Material: resin Specific uses of the product: aquarium, aquarium, fish tank. Product size: style 1: 14x 7.5x12cm, style 2: 19x9x14cm. Style 3: 15.5x11x15cm, Style 4: 19x9x14cm Package content: simulation castle x1