The double wall design can keep your drinks cold or hot for a long time and you won’t feel the temperature when it is gripped by your hand.A comfortable size of 12Oz in hand for keeping water,wine,beer,cocktails,champagne,coffee,tea,and so on.Ideal for promotion or giveaway activities. Made from stainless steel material, this custom double wall 12oz stainless steel eggshell cup. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: BPA-free, leak-proof, travel-friendly.