Made of High quality food grade 304 stainless steel on inside wall and 304 stainless steel on outside wall, scratching resistance.This mug can store 10 oz. of hot and cold drinks to keep them at theiroptimal temperatures for hours. Keep cold drinks at their coldest for 12 hoursand hot drinks at their hottest for 24 hours! This mug keeps your drink inside the cup and at the perfect temperature and is also easy to carry around! Measuring 6.30*2.76inches, this custom 10 oz. sporty stainless steel travel mug. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: BPA-free, leak-proof, travel-friendly.