Thermal cover. It is also called an insulated thermal cover or an insulated cover
The cover is sewn from eco-leather, hard, moisture-resistant foam polystyrene is placed inside, reinforced with a galvanized profile.
The thermal lid has a slope, the lid is 10 cm in the middle and 7 cm at the edges. There is also a built-in profile in the middle,
therefore will withstand snow and water in all weather conditions.
The insulated cover is durable and keeps the heat inside the tub much longer than a standard fiberglass cover.