Description: 1.100% brand new and high quality. 2.Environmental resin material, durable, nature, safe and eco-friendly, harmless to all fish. Also with the function of filtering and purifying water quality. 3.Long time in the water will not fade, easy to clean. 4.Natural cobblestone shape, vivid colors, realistic image not only become more attractive to your fish , but also add life to your aquarium. 5.It can be freely combined, perfect decoration for the fish tank or aquarium.Create a natural living environment for fish. 6.Applicable to sea water, fresh water, provides shelter, hiding spots, entertainment venues for the fish and Cichlid. Specification: Aquatic Decorations Type: Decorative Marbles Material: Resin Color: As the picture show Size: 9.5*7.5*5cm/3.74*2.95*1.97". Round hole diameter: 3.5cm / 1.38 " Quantity: 1pcs Package includes: 1 x Resin Stone Cave Aquarium Ornament Note: 1. Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Aquarium decoration stone hideaway provides visual interest for you and your fish. Change your aquarium into a beautiful scenery. You can angle the holes in any direction. Suitable for small bream, shrimp, cichlids or other small fish when they need a rest and having fun. The hollow caves provide shelter, hiding spots, and spawning, privacy for your fish, like Crayfish, Shrimps, Betta, Cichlid, Hermit Crabs or other Small fish.