Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
The clean cover is dingus which keep the mouse of bottle from residual liquid when the bottle is not needed.
It doesn’t increasing the burden but very convenient. Its opening and closing are controlled by the little sliding button at the edge of its mouse.
What’s more, the dingus also can prevent the splash. It let the liquid downward flow.
Shanghai Second Polytechnic University