L-shaped paper corner protection has many wonderful uses, this by the editor of Shenzhen Chengxing Packaging Materials Co., Ltd. to explain slowly：
L-shaped paper corner can increase the strength of the angle, strengthen the inside of the box to increase the stacking strength;
Protection of all corners: l-shaped paper corners can wrap the product together from all sides to make it stronger and stronger.
Edge protection: all the edges and corners of the product can be wrapped with L-shaped paper angle, which can protect and support the product during the whole handling operation,l-shaped paper angle can fix the goods on the tray, but also play a protective role;
Edge protection: l-shaped paper corner protection products to prevent binding damage. good thermal shrinkage, can provide a particularly tight packaging effect.
L-shaped paper corner:http://www.edgeprotectorfactory.com/product/kraft-paper-reusage-paper-edge-protector/
U-shaped paper corner:http://www.edgeprotectorfactory.com/product/skf-bearing-3/