Attract Fish: These intricately designed, lifelike resin aquarium decorations mimic natural rock formations, complete with caves and textures. Create a stunning underwater landscape and a captivating environment for your fish to explore and hide in. Safety Materials: Our Aquarium Rock Mountain Hiding Cave ornaments are made of non-toxic resin and are safe for fish and other creatures. They will not rot or cause any algae problems ensuring safe conditions for fish and maintaining good water quality. Package Includes: Two fish tank rockery decorations in different shapes to create a natural environment for your fish and decorate your aquarium. The sizes are 10 x 8.5 x 10 cm (3.94 x 3.35 x 3.94 inches) and 11 x 5.5 x 9 cm (4.33 x 2.17 x 3.54 inches). Easy to Clean: These fish tank decorations are simple and hassle-free to clean. No soap is required — simply rinse them with warm water. Their sturdy construction ensures that they will retain their shape and vibrant colours even after repeated cleaning. Wide Application: These fish tank decorations provide a fun environment for your fish to swim, hide, sleep and play in. Made from resin, these ornaments are ideal not only for fish tanks, but also for terrariums, potted plants and as unique home décor pieces.