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X-straw / straw

X-straw
X-straw

Existing straw on the market, the shape is round, straw insert beverage cups, straw cover tightly with joint together, cannot discharge of air inside the cup, drink can't suck. The straw is X, and beverages LIDS before leave space around, the air inside the bottle can discharge, drink to drink can be very convenient

University

Beijing university of Technology

Beijing university of Technology
beijing, China

Wanqiang Li,
Beijing university of Technology