Description Double leaf design:ideal for betta fish playing Strong sucker design: you can easily put it into any place you like in the tank. Rinse the betta plant leaf with cool running water before use.Set of 4 pcs. High quality material: Featherweightdurable and safe long lasting materials - Convenient and practical.The leaves will sway with the waves. Bettas have an organ called a labyrinth, which allows them to breathe air as well as getting oxygen from the water via their gills. thats the reason why they also come up to the water surface and relax. Leaf hammocks make great places for your betta to take a short break after swimming For first time betta owners, your fish may not like to rest on the hammock but most bettas lik e to have some cover in their environment. They may just hover below it to rest, which is making them happy too. If your betta ignores it, try relocating in the tank. The double-leaf design, one big and one small, perfectly simulates the environment of bettas in their natural habitat How to set up this betta hammock: Find a place where your betta like most in the tank Take out some water from the surface, wipe the sucker and tank wall clean and dry Stick the suction cup to the side walls in your tank Pouring some water inside up the leaf, the leaf is submerged in the water about two inches below the water line Note: If you directly stick the suction cup through the water(not in the dry side wall), the suction cup will fall down easily Set up the leaf a distance away from any filter currents if you have a filter in the tank Package Included: 4 Pack betta leavesEach bag has one big and one small leaf