Come and see our amazing products. The 17 oz. stainless steel tumbler suction cup at the bottom can be firmly fixed on any plane. Each mug has a secure threaded lid with snap-seal flapper to prevent your drink from spilling and its double wall vacuum-insulated construction keeps your drink cold for 30 hours and hot for 8 hours. Its beautiful silicon coat makes this tumbler's exterior sweat-proof and well-protected. The price includes the shipping cost to CA, QTY over 1000pcs by ocean. Pls confirm with us about the packing info, stock color and exact production time before placing your order.