Thermo mug 350ml | 100% leak-proof

✔100% LEAK-PROOF thanks to the absolutely tight screw cap ✔ LASTS AT LEAST.4 hours WARM or cold thanks to double-walled vacuum insulation ✔ GREAT GRIP & ABSOLUTELY NON-SLIP thanks to slightly roughened surface and innovative silicone base for non-slip properties even on smooth surfaces ✔ CAREFREE ENJOYMENT as it is completely free of BPA and lead - 100% food-safe (specially tested according to German & EU guidelines) ✔ GOOD FOR YOU & THE ENVIRONMENT as it is already made from 90% recycled stainless steel