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: 1 Find A Place Where Your Betta Like Most In The Tank 2 Take Out Some Water From The Surface, Wipe The Sucker And Tank Wall Clean And Dry 3 Stick The Suction Cup To The Side Walls In Your Tank 4 Pouring Some Water Inside Up The Leaf, The Leaf Is Submerged In The Water About Two Inches Below The Water Line Note: 1 If You Directly Stick The Suction Cup Through The Water (Not In The Dry Side Wall), The Suction Cup Will Fall Down Easily 2 Set Up The Leaf A Distance Away From Any Filter Currents If You Have A Filter In The Tank Package Included: 2 Pack Betta Leaves (Each Bag Has One Big And One Small Leaf)