Crafted from stainless steel, this 30cm Mesh Riser expands the size of the Bio Bubble so you can create custom habitats for all types of land animals. Water bottles and exercise wheels for small animals can be mounted all along the interior or exterior of the riser. Use the Mesh Riser to create custom habitats where caging is the best option for your particular animals. All Bio Bubble Riser are stackable so you can create even large habitats for animals that climb, fly or need additional space. The water proof and corrosion-resistant stainless steel riser allows users to mist water directly into the habitat.