Hello, We require Lids/Caps made of plastic or steel metal for the thermal flask. We make copper metal bottles in India. We need latest designs of lid/Caps for our bottles. Our quantity will be approximately 6000 pieces every month. Please send the photos of your Lids with FOB prices. Thanks. We can also supply copper bottles to china if you are interested in trading because Copper metal is very beneficial for health. Waiting for reply. Regards, Yasir Mobeen ****yasirmobeen Show More