- 【Plastic threaded lid & Silicone suction nozzle】: Our tumbler is equipped with a threaded lid, which will not leak water after tightening and silicone nozzle prevents the straw from puncturing the mouth.
- 【High quality silicone sleeve】：The silicone cover covering the entire tumbler prevents your hands and bottom of tumbler from slipping.
- 【High Quality Material】：The interior and exterior of our insulated cups are made of food grade 18/8 stainless steel, which is made of BPA food grade material. This is safe and healthy for your entire drink and durable.
- 【Washing by hand 】: Insulated water bottles are easy to clean. The bottle can be cleaned with a dishwasher (excluding lid, silicone sleeves and silicone nozzles). Of course, washing by hand can extend the service life of the tumbler.
- 【Water bottles for school & Tips】：When there is water or drinks in the tumbler, please do not invert it, as the connection between the straw and the lid may leak.