Beautiful cabinet doors or doors may be ruined by poor panel alignment. Now, you can use the CMT balancing seals, which are inserted into the grooves. That way, the panels remain centered and in the same time, you leave little space for material to expand. Unlike foam, which loses its elasticity and ceases to work, the seal is specially designed to remain the same even during winter and summer. Rectangular shape. Usual doors require abotu 4-8 seals. The pack includes 200 pcs.