Sanitary Can / industry / health+care

The protrusions top tin cans fits depressions bottom. That will save the advantage for batch stacking and transportation.The design guides fluid and makes it eassier from the top to drink.Due to changing the way of drinking,so the fluid by-passes the groove of the top,more healthy can be reached.The pull-tab is covered with a thin layer,to protect the contact area from the mouth.meanwhile,that will have a buffer effect,safty can be also increased.