Material: resin Color: as the picture shows Size: (L) x (W) X (H) 23X4X11cm /9.06’‘X1.57’‘X4.33’’(appr) Package included: 1 Pcs Aquarium Ship Features Brand new and high quality. Made of resin, no algae problem. Suitable for aquarium and aquarium. Provide locations for nitrifying bacteria, especially aquatic animals. Decorate your aquarium, take a nice environment for the fish. Without any pollution of aquatic creatures or damage. resin products have a smell at the beginning of their use, soak in water or in a ventilated area, they will fall, have no effect on the fish. Note: Videos Please enable an error of 1 to 3 cm due to manual measurement and make sure that this does not bother you before ordering. Please understand that the colors may exist chromatic aberration as the different placement of images.