PREMIUM MATERIAL QUALITY: The Windshield Sun shade Weight Around 370g , It's Made From Superior Quality,Reflective Aluminum Foil Combine With Thicken 5-Layer Bubble Materials,No Smell, High Temperature Resistance. KEEP CAR INTERIOR COOL: Windshield Sunshade- 5-Layer Super Reflective Insulation:1.Aluminum Film Reflective Insulation 2.Honeycomb Bubble Insulation 3. Insulation Layer 4.Honeycomb Bubble Insulation 5.Aluminum Film Reflective Insulation,Reduces Interior Car Temperatures By 30-50 Degrees.Blocks Damaging UV Rays, Keeps Car Cooler On Sunny Days.