Come and see our amazing products. The cup is made of stainless steel and features a double wall and a high-quality copper foil on the outside. High-performance temperature retention, keep the liquid hot for 24 hours, cool to 48 hours, BPA-free silicone rubber on each cover, ensuring no leakage and no odor. Cup brush and straw brush for easy cleaning. Ideal for everyday use, running, hiking, camping, etc. Pls confirm with us about the packing info, stock color and exact production time before placing your order.