Are you looking for air bubble insulation sheet? if yes, Neo thermals insulations are best option for you. Our Thermal Resistance PE bubble insulations are made up of one or two layers of air bubbles placed between two aluminum foils. The Air bubble insulation including air bubble insulation sheet is rated and tested based on these two criteria – emissivity and reflectivity. It is 4% emissive and 96% reflective which makes it allow to pass through not more than 4% of radiant heat.