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Chalk sleeve with eraser / Chalk sleeve with eraser

Chalk sleeve with eraser
Chalk sleeve with eraser

As we all know,use the chalk directly is harmful to our hand.Especially,our teacher use the chalk frequently in high school.So I design this product to protect their hands.According to the teacher's writing habits,Combine the chalk sleeve with the chalk eraser.
In a word,Design,makes life better.

University

Shanghai Second polytechnic University

Shanghai Second polytechnic University
Shanghai, China