High Quality: Aquarium Rocks are made of high quality resin, non-toxic plastic plants that will not rust, rot or affect the pH of your aquarium. The ceramic base is thick and sturdy, durable, safe for your fish and water quality, and the flat bottom design makes it easy and stable to stand in the aquarium just by putting it in the aquarium or fish tank. Aquarium and aquarium decoration, the aquarium decoration is very durable, provides a hiding place and entertainment place for fish, will be in the aquarium The box is not lazy, beautiful and durable. Usage Tips: Immerse the arch bridge in water for 20 minutes, then immerse it in the basin, and then gently pour it into the water tank or aquarium, you can stand in the aquarium smoothly and evenly. This set can be used as a gift for couples, family members or friends with aquariums, especially suitable for friends who like DIY and home decoration, making your aquarium a beautiful landscape. Multifunctional: Resin Aquarium Decoration is used to beautify and decorate aquariums and aquariums, providing protection for fish hiding places and entertainment. A fish tank with plants to liven up your aquarium and add freshness to your aquarium, suitable for all aquariums and aquariums. Unique Design: Aquarium decoration graphic design, the bottom of the false bridge is very stable. Strong stability, just put it in the aquarium or fish tank, you can easily and stably stand in the aquarium, the arch bridge is also great for providing your little fish with a safe haven to hide or breed, and provide your aquarium with a beautiful background. Note: The data is manual measurement, please allow 1-41cm error, due to the differences between the light and the display, there will be a certain color difference, the specific received in kind prevail.