Bianli Healthy Ceramic Mug With Lid, 12 Ounze (Blue) SAFETY - FDA-approved, compact and healthy ceramic serving bowl; non-slip and non-rollover bottom design make it good to use no matter in what condition. EASY TO USE - Cool to touch with hot liquids, sweat proof with cold; wild mouth is easy to fill, eat and clean. LEAK PROOF - Leak proof technology ensures your water stays in the bottle. MULTIPLE CHOICES - Available in 2 sizes: 7-ounze, 12-ounze; four colors: pink, blue, yellow, purple.