JOOLA ROLLOMAT PERMANENT Table Tennis Net Set by Joola. $129.95. Only compatible with the JOOLA Rollomat and JOOLA Olymp table. Does not need to be removed when folding table. Designed to compliment the JOOLA Rollomat or JOOLA Olymp tables, this heavy duty stationary net is built to last. The Permement net set eliminates the need to remove the net set before setting up or storing the table.