Amazon.com: RADIATOR COMMERCIAL GRADE REFLECTIVE FOIL HEAT REFLECTOR(16' X 2')-DOUBLE THICK 7.95mm CERTIFIED AND TESTED FOR CUSTOMER SAFETY. DOES NOT EMIT DANGEROUS TOXINS WHEN HEATED. SAVES ENERGY ...
Radiator Foil Insulation with Self-Adhesive Pads - 3.6mm Extra Thick Radiator Foil for Home – 5m x 0.6m – Bubble Radiator Foil - Reduces Heat Loss – Safe & Durable : Amazon.co.uk: