Instructions: Make sure the inside glass, plastic, or acrylic walls of your terrarium are clean and dry. Stick the Lizard Ladder to any verticle wall of your terrarium. Your reptile now has another surface to climb or play on thus increasing exercise and adding another dimension to your terrarium.Cleaning: Clean the Lizard Ladder when it looks dirty with mild soap and water solution.Suction Cups: If a suction cup fails to stick, simply remove it from the Lizard Ladder and soak in hot water for 5 minutes.