Welcome to our storeSafe material: Made of natural,fine and tiny compressed sand,the surface and edges are very flat,absolutely safe for your fish,and it can also filter and purify water. It is suitable for small whistles,snappers need to rest or breed.Pleasing to the eye: This hidden cave creates a visual feast for you and provides a house for your fish. Rock caves allow to stop and visit,or hide or hide,to reduce stress and minimize aggression,such as cichlids,but also suitable for betas,wax fish or crustaceans.Easy to stack: The rock cave has a flat roof for stacking,you can bevel in any direction.Size: 1x2 high-quality granite aquarium hiding place; small 3.5x2.6x2 inches (9x6.5x5 cm); Please note: Please carefully check the size information marked in the photos and instructions before purchasing. The real product is smaller than your imagination.100% Satisfaction - Our customers are our top priority. _x005f_x005F_x005f_x000D_If you find any product problems after receiving the goods,such as damage and incorrect quantity,please contact us immediately. _x005f_x005F_x005f_x000D_We try our best to provide you with satisfactory after-sales service.