Features: brand new and high quality Dimension: We offer 3 sizes of stone aquarium decorations. Style 2 is about 2.28x1.38x1.65 inch, style 3 is about 2.56x1.18x1.38 inch, style A is about 3.15x0.98x1.77 inch, all are perfect for use in small and medium size fish for tank. Small Fish Favorite: The rock fish for tank decor provides a shelter, hideout and playground for your lovely pet betta or other smaller fish, they would be super happy to sleep, rest, hide, for play, breed around the rock. Aquarium Rocks Aquascaping: Imitation rocks, very detailed, add underwater nature landscape to your aquariums. Plastic Material: Durable plastic made, friendly for all aquariums and fish. Can be put in for fresh water and salt water for tank. Stay in Place: The betta for tank rocks will sit stably on for tank bottom, no floating over. Looks more brighter and colorful underwater. Specifications: Material: Plastic Color: Brown Style:2/3/A/3Pcs Set Size: 2-Approx.5.8x3.5x4.2cm/2.28x1.38x1.65in 3-Approx.6.5x3x3.5cm/2.56x1.18x1.38in A-Approx.8x2.5x4.5cm/3.15x0.98x1.77in Weight: 2-Approx.24g 3-Approx.31g A-Approx.33g 3Pcs-Approx.88g Package Includes: 1 Piece Plastic Stone Aquarium Decoration (2/3/A) or 3 Pieces Set Stone Aquarium Decorations 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!