1. mainly made from ethylene propylene diene monomer (EPDM) foaming with good flexibility and anti-deformation, anti-aging, anti-ozone, anti-chemical reactions and the use of a wide temperature range (-40 ~ +120 ) composite with the dense foam. 2. it contains a unique metal fixture and a tongue-shaped buckle, sturdiness and durability, in favor of the installation. 3. Having long-term support with the major car and electrical cabinet manufacturers. Product specifications: the application temperature range we suggest: PVC material -20 ??F - 150 ??F (-29 - 65.5 ) EPDM material -40 ??F - 248 ??F (-40 - 120 )