Penn Plax TT2 Tank Terrace Aquarium Shelf System PERFECT FOR AQUARIUMS OR TERRARIUMS: create a new level of fun in your fish or reptile environment with the Penn Plax Tank Terrace Corner Shelf Kit REALISTIC AND DETAILED FEATURES: the Tank Terrace includes rock shelves, ridges, and planting beds for your decorations (dcor sold separately) LINES YOUR TANK WALL: the Terrace will give your fish or reptiles a new area to hide and play. SHOP PENN PLAX FOR MORE DECORATIONS: to fill up your planting bed, shop Penn Plaxs wide variety of aquarium ornaments, plants, and decorations.