The 3mm insulating mat from Stewehome is made of rubber and provides 100% protection in areas with high electrical voltage. It features anti-slip surface on both sides, is flexible and durable. It withstands heat, moisture, oil, and solvents, making it ideal for use in front of electrical panels, machinery, and transformers. The product is non-combustible and has TSE certifications for electrical resistance. It is delivered in roll form and flattens quickly after opening. Its rectangular shape and decorative design with yellow stripe make it practical and safe for professional use.