Color as shown Size: 10 x 10 x 10 cm Weight: 100 g Non-toxic and environmentally friendly materials: Made of high quality resin and plastic , durable, non-toxic and environmentally friendly, safe for your fish; Totally safe for the fish you love. Great looking ornament and really fun to wear. view after setup. Real directions of movement underwater: the air hose with decorations on the valve adjustment or pump connections. Insert and fix the aquarium decorations. Adjust air pressure to create decorations to achieve your ideal motion effects. Requires a water pump. Air (not included) and 3/16 inch hose (not included). Then you can adjust the frequency with which the lid opens. Chest sink bottom, “chain” attached to the chest suspended in the water, with oxygen supply, divers floating in the water swing, like the chest should strive to explore the way; As the diver swims, the treasure chest opens and closes simultaneously. reveal the treasure inside, more lively and active Ideal for
