1. EASY TO USE - No further maintenance needed. Had to tip fish tank castle upside down when adding to the tank to let the air out otherwise it may float. Fish can in the castle clearance swim shuttle back and forth provides shelter, hiding spots, entertainment venues for the fish,which will become the unique scenery of the home 2. SAFE FOR YOUR FISH - No fading, and has no effect on the quality of fish and water. Fish tank ornaments Made of quality resin material, , non-toxic, durable for long time use. Our fish tank castle decorations doesn't pose harm to your aquatic animals nor create any ill impact on water quality 3. PINK CASTLE - - The resin castle fish tank unique structure design, Vivid colors description and realistic image make the decorations look beautiful and elegant, Cartoon castle shape, cute, wonderful castle ornament for fish tank. Perfect for all in mediumandsmall size freshwaterandsaltwater aquariums 4. APPLICATION - Fish Tank Castle Cave Hideouts Provide shelter, fish recreation, suitable for fish tank, aquarium, reptile box. Create a natural living environment for fish. Castle won't fade when the time goes long,They're are absolutely for fish and of all, they won't die, rot or cause any algae problems Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.