Buyers who buy A4 paper need to know that the product is sealed and the paper contains air. Pressing it during express delivery will damage the outer packaging, which is a normal phenomenon. Buyers who cannot accept it should not place orders. The order is approved by default. Our store is not responsible for the after-sales service sought due to the cracking of the outer packaging. (If you need to return the goods, Jiangsu, Zhejiang, Shanghai and Anhui, please bear the shipping cost of 15 yuan (5 packages), other provinces bear the shipping cost of 40 pieces (5 packages), and so on)