【DOUBLE WALL INSULATION】12oz Insulated Coffee Mug is designed with double vacuum insulation, which can help your hot drinks keep warm longer and the cold drinks stay cool for a long time. Made of upgraded material that

• 【DOUBLE WALL INSULATION】12oz Insulated Coffee Mug is designed with double vacuum insulation, which can help your hot drinks keep warm longer and the cold drinks stay cool for a long time. Made of upgraded material that prevents heat transfer to the outer wall and protects your hands from the temperature of your drink.
• 【FOOD GRADE MATERIAL】Stainless steel insulated Tumbler is made of high quality food-grade 304 stainless steel, which is non-toxic, environmentally friendly. And the BPA-free sliding lid can effectively prevent water leakage and it will never leave a metallic taste or rust.
• 【TRAVEL TUMBLERS WITH LEAK-PROOF LID】Leak-proof coffee cup lid is sealed and 100% leak-proof, and the Stainless Steel Coffee Cup is ideal for indoor and outdoor occasions such as camping, office, travel, and more. It's the best choice for Festival gifts.
• 【UPGRADED ULTRA-WIDE ANTI-SLIP HANDLE】Our travel insulated mug is ergonomic, widened handle ensures a secure, fatigue-free grip. The frosted surface offers superior anti-slip performance for maximum comfort.
• 【WHAT YOU GET】The coffee cup package includes 4 x 12oz coffee mugs, 4 x individually exquisite gift boxes, 4 x Leak-proof lids. A sufficient number of coffee mugs sets and accessories can satisfy you to make personalized cups for your family, friends, and loved ones.