Folding Hanging Table with 3-Level Adjustable Height for Patio Balcony-Black1" 6" adjustable range for railings of different thicknesses 3 level height adjustment (29" 31" 33") matches different chairs (not included) Adjust the bottom metal piece to keep the table parallel to the ground Prevent the tabletop from tilting with functional fixing clips HIPS tabletop for weather resistance and sun protection The sturdy metal frame is rustproof for additional outdoor durability Folding design for space saving Suitable for balcony