Corner post edge protectors are very strong, rigid pieces of laminated chipboard that fit onto the 4 corners of palletized boxes. [80 Pack] Shipping Box Corner Protectors Plastic Packaging Edge Protectors, Carton Packing Corner Guard Frame Corner Protectors 60 Type Handcraft Packaging Protector for Express Box Packaging. L Profile foam lengths, to provide simple and cost-effective protection for pallets and product edges. Our corner protectors are designed to provide reliable protection for your products, both on the inside and. Corner protectors from Macfarlane Packaging are an innovative protective packaging solution that safeguards the vulnerable corners of your items during storage and shipping.