TEFLON MESH FOR SILICONE VACUUM BAG BREATHING 1- MAX Width 4000mm*Any length (You decide the size, We can cut exact size as you need.) 2- Helping vacuuming, avoiding congesting valves and clogging vacuuming 3- Protecting the silicone blankets from the sharp glass edges 4- ≥ 260℃ Continuously Heating Peter Lin, cnc@cncGlass.com, cnc@cncEVA.com, Whatsapp: 0086 15013829504, WeChat: WeCan365.