Pirelli webbing. Sep 30, 2025 ยท Pirelli (Italy) is most known for manufacturing racing tires, but are the original manufacturer of rubber webbing used on most mid-century chairs for suspension since the 1950's. (10%), and total extensibility is 50%. It was first manufactured in the 1950's, often found in mid century modern furniture. 33 yards per roll Rubber webbing (also known as Pirelli webbing) is made from rubber and cord. Average extensibility is 15 kg. It is suggested that for an average seat the degree of stretch should be from 7% to 10%. Yes, they do. Approximately 2" wide. This is very heavy Duty Webbing, Very Strong100 Foot RollThis Price is 210. com: pirelli rubber webbingCheck each product page for other buying options. lbdijzb8lpjxrzvl2wlrabbrhwcbuozaey5mksuib7wvy6a0puw4muh1