Perfection in the design:
1.
a)The area where the interlocking touches, both the paper bowl and plastic lid are designed and constructed with Arc shape ‘semi-circle’ fashion so that the closing and opening operation will ‘click’ easily.
b)
b)Yet, more secured interlocking efficiency as Arc over Arc formation ensures perfect wrap-round fitting co-operation than ordinary tab-lock design formations.
c)
c)
Both materials are soft by nature, as such, when pressed against each other during closed, they bound and wield into a gab-less formation in between, further prevents leakage.