Features: brand new and high quality Made of high-quality resin material, with smooth surface and edges, which is absolutely safe for your fish. Suitable for small sea breams and cichlids, for them to rest or breed.The hidden caves provide you with a visual feast and a "house" for your fish. Your fish can stop for a visit, or find a spot to rest or hide to relieve stress and reduce aggression, perfect for the cichlid family. It is also a great hideout for fighting fish, crayfish or crustaceans. Lifelike natural decoration your fish for tank and aquarium. Provide a natural sense of environment, vivid and detailed colors, and add a lively life to your water for tank. Specifications: Material: Resin Color: As Pictures Show Pattern: 3-in-1/4-in-1/4-in-1 with Green/5-in-1 Size: 3-in-1-Approx.18.8x8.2x10.8cm/7.40x3.23x4.25in, Entrance Diameter 2.9cm/1.14in 4-in-1-Approx.18.3x8x14.8cm/7.20x3.15x5.83in, Entrance Diameter 2.9cm/1.14in 4-in-1 with Green-Approx.17x7x14cm/6.69x2.76x5.51in, Entrance Diameter 3cm/1.18in 5-in-1-Approx.16x11x12cm/6.30x4.33x4.72in Weight: 3-in-1-Approx.265g 4-in-1-Approx.310g 4-in-1 with Green-Approx.320g 5-in-1-Approx.305g Package Includes: 1 Piece Stone Shelter Aquarium Decor (3-in-1/4-in-1/4-in-1 with Green/5-in-1） note: 1.Please allow 0-1cm 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!