Light, Waterproof, Elastic. These characteristics give the cork insulating properties against the heat, cold, noise and vibrations. Cork being the main component of the bark covering the cork oak is a natural product like wood. Being made of a set of cells (42 million per cubic centimeter, both with quintuple walls, of which two are perfectly waterproof), Moreover, cork is Auto-Extinguishing, Rot-proof, Anti-Allergic, Resilient, Antistatic. It does not propagate the flame and does not give off harmful vapors. Even if it remains in contact with liquids for a long time it does not rot and does not give off unpleasant odors. It does not cause any kind of allergy or irritation when in contact with the skin. In fact, it is not by chance that it is particularly recommended in environments where particular hygiene is required (children's rooms, gyms, medical offices, etc). Recovers imperfections due to compressions, bumps or punching.