【Precautions for use】
【1】Before use, lift it up slightly, and then twist it in the same direction to ensure that each section is screwed in place;
【2】Stainless steel material, thermal conductivity, please try not to install boiling water or too hot water to avoid burning your hands;
【3】Before use, useFree alcohol tablets and towelsWipe and clean, and then rinse a few times before filling with water;
【4】Please pay attention to the edge part when wiping, and avoid wiping hard and accidentally hurt your hands;
【5】Small size is very small, buy large or medium size more, please know if you need a small size;
【6】Folding cup, small and light, mainly used for travel and business trips, portable use for outdoor sports.