BRJ-03D is a cross-linked soft cross-linked heat pof shrink film. It has outstanding low-temperature shrinkage performance, and also possesses advantages such as high shrinkage rate, good transparency, high sealing strength, good toughness, and excellent anti-relaxation performance. It is an ideal heat pof shrink film for packaging soft products like books, irregularly shaped products, and heat-sensitive products, and can effectively prevent the occurrence of "ribbed pattern" at the corners of box-shaped items.