Please kindly noted that this item is sold by third-party sellers from Joybuy marketplace. Fish Tank Treasure Chest & Diver, Live-Action Aerating Ornament Air Bubbler Movement Aquarium Undersea Decorations Feature: Made of high-quality resin and plastic, durable, non-toxic and non-polluting. It is absolutely safe for your favorite fish. The real accessories of air movement provide entertainment when inflating the water tank. Exquisite decorations are really interesting when placed. When the diver floats, the treasure chest will open and close to reveal the treasures inside, making it more lively. Either freshwater fish or saltwater fish can be played with their new toys. They are ideal for various fish tanks and can be used safely in both fresh and salt water. It is very cute and interesting, and it adds a lot to the aquarium. Specification: Material: Plastic + Resin Color: Red, Black Size: Frogman height 9cm/3.54inch, treasure box size 5.5*5*4cm/2.17*1.97*1.57inch, iron chain length 10cm/3.93inch Packaging: blister Weight: 135g Instructions: 1. Remove the bayonet before use. The product needs an air pump, a 3/16-inch pipe and an air valve (these three not included) to control the air flow, and then you can adjust the frequency of opening the lid of the treasure chest, and it will have the effect of opening and closing. 2. Made of plastic and resin. Part of the hollow will be very light in the water, and will produce rising buoyancy when oxygenated. It is recommended to use something to slightly press the lower treasure box under water. 3. The treasure box sinks in the water. The frogman is made of iron chains. The link is suspended in the water on the treasure chest. With oxygenation, the frogman floats and swings in the water, as if trying to explore the treasure chest. Note: Not suitable for large fish tanks, and not suitable for fish tanks with a depth of more than 50cm. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x Fish Tank Treasure Chest & Diver The real accessories of air movement provide entertainment when inflating the water tank. Exquisite decorations are really interesting when placed It is very cute and interesting, and it adds a lot to the aquarium When the diver floats, the treasure chest will open and close to reveal the treasures inside, making it more lively Either freshwater fish or saltwater fish can be played with their new toys. They are ideal for various fish tanks and can be used safely in both fresh and salt water Made of high-quality resin and plastic, durable, non-toxic and non-polluting. It is absolutely safe for your favorite fish