Highly flexible O-profile groove seal for doors/windows with a groove for seal attachment. Made of thermoplastic elastomer (TPE), a durable, high-quality, and fully recyclable material. The seals are water- and wash-resistant and withstand extreme weather conditions, such as cold (-50 ºC) and heat (+130 ºC). Durable for up to 15 years. Resistant to chemicals, but not to solvents like lacquer thinner or oils.