Excellent insulation - - Quadruple strong heat insulation + triple vacuum insulation, outstanding heat insulation performance, keeps drinks warm for 12 hours and cool for 18 hours. Inner wall made of 304 stainless steel, safe, durable and preserves the original flavour of the drink for a long time. The lid is made of PP + waterproof silicone ring, 100% BPA free, to protect your health. Leak-proof And Practical - - The lid of the thermos jug is tightly sealed with a heat-resistant silicone sealing ring, even if the jug is turned upside down, no water will leak out. Pouring is done by pressure, easy to operate with one hand. The plastic handles with a wooden look are comfortable to hold and are also more durable than wood. The U-shaped spout prevents spla.