Description: Made of a cotton blend material with excellent heat resistance, eliminating vibration, reducing general noise and vehicle rattling and increasing comfort. Adhesive sound dampening material for easy installation. Designed in a convenient size for easy cutting. It blocks sunlight and engine heat transfer to the cab and reduces energy consumption of air conditioning. Specifications: Color: Black Material: Cotton Blend Total Area: 19.38 sq. ft Thickness: 3 mm Size: 50 x 30 cm (L x W) Installation: Firstly determines the insulating area: car roof, car floor, car door, or hood. Once the interior is disassembled, remove the rest of the factory insulation material.Clean and degrease the surface properly before installing the mat. Measure the pre-washed surface of a spot you may be cured and treated. Place the material on the desired surface of your car without removing the adhesive paper.When you are ready to use the sheet, place it on the surface and stick it together.Flatten the seat by hand to avoid air bubbles. Roller for rolling foil as a neat step (not included) Installation Notes: Clean the surface you want to apply. Heated with a blow dryer to soften, then compress by hand.If the room temperature is less than 5 degrees Celsius, first heat the lamp until it becomes soft. It is best to wear gloves when working. Package Includes: 12 x Heat Silent Insulation Mat 1 x Manual