More efficient insulation than inferior alu bubble wrap. The 7mm liner is more thermally efficient than glass wool etc Easy installation - cut, peel & stick. High thermal efficiency Significant Noise reduction Warmer in the winter, cooler in the summer. Reduces condensation Will not absorb water like inferior wool or fibre. Acts as a barrier against heat loss Superior Crush resistance Improve van interior comfort Moisture resistant dense closed cell foam Reinforced reflective foil Strong Peel & Stick Self Adhesive Fire Retardant High grade construction Thickness 7mm Total area 10 Square metres Total area 107 Square feet Roll/Sheet size 1m x 10m.