Version: Indoor. This is a replacement half-panel for the Duell table tennis table in the color gray. It is suitable as a spare part for the Duell table tennis table. Please choose between the outdoor or indoor version. The delivery includes one half-panel. A half-panel can be used on either the left or right side of the table. Order this product if you already have a Sportime table tennis table and only want to replace one of the two upper half-panels.