Is the lid of the double drinking cup easy to break?

The lid of the double drinking cup is not easy to break. According to the relevant public information, the double drinking cup cover is made of PP material, which has elasticity and strong impact resistance, that is to say, the fracture of PP material is rare, and the patent was applied in 202 1, 12, 13. The double drinking cup cover comprises a main cover body, a first flip cover rotatably connected to the main cover body and a second flip cover rotatably connected to the first flip cover, and the main cover body is provided with a direct drinking water port and a suction pipe port.