These Large Plastic Corner Protectors are available in 12, 24, 36, or 48-inch lengths and are made of durable black plastic construction. With vertical ribs for added strength, the 12-inch protector features 2 ribs and 1 center slot, while the 24-inch has 4 ribs and 1 center slot. The 36-inch has 6 ribs and 1 center slot, and the 48-inch has 8 ribs and 2 end slots. Sold individually, these protectors are designed to safeguard cargo and are easy to use with most 4-inch wide straps. Ensure the safety of your cargo with these practical and reliable corner protectors.