Come and see our amazing products. Vacuum double wall was made of stainless steel that completely taste-free, rust-proof, leak-proof, keeps your drinks cold for 6 hours or hot for 8 hours. The lid was made of food-grade silicone, BPA free, guaranteed high durability. The coffee mug lid comes with an airtight silicone seal that prevents the drinks from spilling. Air Vent on the lid allows beverages to flow out smoothly, without gushing or overflowing. The coffee mug fits in most of the standard car cup holder and coffee maker. The spill-proof flip lid is a simple, secure, and one-handed operation easily. Pls confirm with us about the packing info, stock color and exact production time before placing your order.