High-grade stainless steel vacuum flask mug anniversary of employee benefits that manufacturers made

Name: Double stainless steel mug gift mug promotional advertising gift mug custom logo printing capacity: 350ml, 500ml material: stainless steel Process: Double stainless steel vacuum manufacturing printable Packing: Color box number: 50 / box mug effect : Seasons 8-24 hour incubation mug purposes: stainless steel hand cup, a unique tailless vacuum process, long lasting insulation, lids using a key to open a unique way, the use of more practical and convenient, cup body can print LOGO, printing , wherever propaganda to where you as employee care, promotional gifts Cup opening ceremony the best choice! Mug Structure: stainless steel liner. Mug Seal: Plastic Products in combination, in the middle of food-grade rubber waterproof ring, shake up water, put the car ordinary circumstances, watertight bag etc.