Come and see our amazing products. The stainless steel water bottle is double-layer vacuum sealed and lined with copper to increase heat insulation, keeping the beverage cold for 24 hours and 12-hour heat preservation. The double-layer vacuum flask is made of high-quality food-grade 18/8 stainless steel, free of BPA, and rust-proof and durable. . The easy-to-clean water bottle will not retain or transfer any beverage taste. The powder coating on the surface protects the stainless steel water bottle from scratches and dents. No sweat condensation, suitable for hand grip. Pls confirm with us about the packing info, stock color and exact production time before placing your order.